Home / 38,277.71-52,826.19-21,283.37

Finding the Fourth Proportional to 38,277.71, 52,826.19 and 21,283.37

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Solution

The fourth proportional to 38,277.71, 52,826.19 and 21,283.37 is: 29,372.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,277.71 : 52,826.19 = 21,283.37 : x
  2. Step 2: Convert to fraction form
    38,277.71/52,826.19 = 21,283.37/x
  3. Step 3: Cross multiply
    38,277.71x = 52,826.19 × 21,283.37
  4. Step 4: Simplify right side
    38,277.71x = 1,124,319,479.53
  5. Step 5: Solve for x
    x = 1,124,319,479.53/38,277.71
  6. Step 6: Final answer
    x = 29,372.69

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.