Home / 38,528.29-57,809.13-13,586.16

Finding the Fourth Proportional to 38,528.29, 57,809.13 and 13,586.16

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Solution

The fourth proportional to 38,528.29, 57,809.13 and 13,586.16 is: 20,385.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,528.29 : 57,809.13 = 13,586.16 : x
  2. Step 2: Convert to fraction form
    38,528.29/57,809.13 = 13,586.16/x
  3. Step 3: Cross multiply
    38,528.29x = 57,809.13 × 13,586.16
  4. Step 4: Simplify right side
    38,528.29x = 785,404,089.64
  5. Step 5: Solve for x
    x = 785,404,089.64/38,528.29
  6. Step 6: Final answer
    x = 20,385.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.