Home / 25,809.52-38,688.13-17,490.37

Finding the Fourth Proportional to 25,809.52, 38,688.13 and 17,490.37

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Solution

The fourth proportional to 25,809.52, 38,688.13 and 17,490.37 is: 26,217.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,809.52 : 38,688.13 = 17,490.37 : x
  2. Step 2: Convert to fraction form
    25,809.52/38,688.13 = 17,490.37/x
  3. Step 3: Cross multiply
    25,809.52x = 38,688.13 × 17,490.37
  4. Step 4: Simplify right side
    25,809.52x = 676,669,708.31
  5. Step 5: Solve for x
    x = 676,669,708.31/25,809.52
  6. Step 6: Final answer
    x = 26,217.83

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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.