Home / 28,362.65-39,139.90-17,758.13

Finding the Fourth Proportional to 28,362.65, 39,139.90 and 17,758.13

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Solution

The fourth proportional to 28,362.65, 39,139.90 and 17,758.13 is: 24,505.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,362.65 : 39,139.90 = 17,758.13 : x
  2. Step 2: Convert to fraction form
    28,362.65/39,139.90 = 17,758.13/x
  3. Step 3: Cross multiply
    28,362.65x = 39,139.90 × 17,758.13
  4. Step 4: Simplify right side
    28,362.65x = 695,051,192.29
  5. Step 5: Solve for x
    x = 695,051,192.29/28,362.65
  6. Step 6: Final answer
    x = 24,505.87

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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.