Home / 25,020.57-34,528.08-13,689.93

Finding the Fourth Proportional to 25,020.57, 34,528.08 and 13,689.93

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Solution

The fourth proportional to 25,020.57, 34,528.08 and 13,689.93 is: 18,891.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,020.57 : 34,528.08 = 13,689.93 : x
  2. Step 2: Convert to fraction form
    25,020.57/34,528.08 = 13,689.93/x
  3. Step 3: Cross multiply
    25,020.57x = 34,528.08 × 13,689.93
  4. Step 4: Simplify right side
    25,020.57x = 472,687,032.46
  5. Step 5: Solve for x
    x = 472,687,032.46/25,020.57
  6. Step 6: Final answer
    x = 18,891.94

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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.