Home / 38,280.38-52,826.76-21,284.10

Finding the Fourth Proportional to 38,280.38, 52,826.76 and 21,284.10

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Solution

The fourth proportional to 38,280.38, 52,826.76 and 21,284.10 is: 29,371.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,280.38 : 52,826.76 = 21,284.10 : x
  2. Step 2: Convert to fraction form
    38,280.38/52,826.76 = 21,284.10/x
  3. Step 3: Cross multiply
    38,280.38x = 52,826.76 × 21,284.10
  4. Step 4: Simplify right side
    38,280.38x = 1,124,370,042.52
  5. Step 5: Solve for x
    x = 1,124,370,042.52/38,280.38
  6. Step 6: Final answer
    x = 29,371.97

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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.