Home / 27,139.17-37,459.49-16,528.71

Finding the Fourth Proportional to 27,139.17, 37,459.49 and 16,528.71

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Solution

The fourth proportional to 27,139.17, 37,459.49 and 16,528.71 is: 22,814.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,139.17 : 37,459.49 = 16,528.71 : x
  2. Step 2: Convert to fraction form
    27,139.17/37,459.49 = 16,528.71/x
  3. Step 3: Cross multiply
    27,139.17x = 37,459.49 × 16,528.71
  4. Step 4: Simplify right side
    27,139.17x = 619,156,964.31
  5. Step 5: Solve for x
    x = 619,156,964.31/27,139.17
  6. Step 6: Final answer
    x = 22,814.15

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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.