Home / 38,425.26-53,026.74-21,429.52

Finding the Fourth Proportional to 38,425.26, 53,026.74 and 21,429.52

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Solution

The fourth proportional to 38,425.26, 53,026.74 and 21,429.52 is: 29,572.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,425.26 : 53,026.74 = 21,429.52 : x
  2. Step 2: Convert to fraction form
    38,425.26/53,026.74 = 21,429.52/x
  3. Step 3: Cross multiply
    38,425.26x = 53,026.74 × 21,429.52
  4. Step 4: Simplify right side
    38,425.26x = 1,136,337,585.36
  5. Step 5: Solve for x
    x = 1,136,337,585.36/38,425.26
  6. Step 6: Final answer
    x = 29,572.67

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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.