Home / 27,089.70-37,385.76-15,156.88

Finding the Fourth Proportional to 27,089.70, 37,385.76 and 15,156.88

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Solution

The fourth proportional to 27,089.70, 37,385.76 and 15,156.88 is: 20,917.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,089.70 : 37,385.76 = 15,156.88 : x
  2. Step 2: Convert to fraction form
    27,089.70/37,385.76 = 15,156.88/x
  3. Step 3: Cross multiply
    27,089.70x = 37,385.76 × 15,156.88
  4. Step 4: Simplify right side
    27,089.70x = 566,651,478.03
  5. Step 5: Solve for x
    x = 566,651,478.03/27,089.70
  6. Step 6: Final answer
    x = 20,917.60

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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.