Home / 26,839.76-37,039.93-15,508.88

Finding the Fourth Proportional to 26,839.76, 37,039.93 and 15,508.88

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Solution

The fourth proportional to 26,839.76, 37,039.93 and 15,508.88 is: 21,402.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,839.76 : 37,039.93 = 15,508.88 : x
  2. Step 2: Convert to fraction form
    26,839.76/37,039.93 = 15,508.88/x
  3. Step 3: Cross multiply
    26,839.76x = 37,039.93 × 15,508.88
  4. Step 4: Simplify right side
    26,839.76x = 574,447,605.61
  5. Step 5: Solve for x
    x = 574,447,605.61/26,839.76
  6. Step 6: Final answer
    x = 21,402.86

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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.