Home / 27,522.48-37,981.68-15,585.84

Finding the Fourth Proportional to 27,522.48, 37,981.68 and 15,585.84

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Solution

The fourth proportional to 27,522.48, 37,981.68 and 15,585.84 is: 21,508.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,522.48 : 37,981.68 = 15,585.84 : x
  2. Step 2: Convert to fraction form
    27,522.48/37,981.68 = 15,585.84/x
  3. Step 3: Cross multiply
    27,522.48x = 37,981.68 × 15,585.84
  4. Step 4: Simplify right side
    27,522.48x = 591,976,387.41
  5. Step 5: Solve for x
    x = 591,976,387.41/27,522.48
  6. Step 6: Final answer
    x = 21,508.83

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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.