Home / 26,719.14-36,870.88-14,781.76

Finding the Fourth Proportional to 26,719.14, 36,870.88 and 14,781.76

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Solution

The fourth proportional to 26,719.14, 36,870.88 and 14,781.76 is: 20,397.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,719.14 : 36,870.88 = 14,781.76 : x
  2. Step 2: Convert to fraction form
    26,719.14/36,870.88 = 14,781.76/x
  3. Step 3: Cross multiply
    26,719.14x = 36,870.88 × 14,781.76
  4. Step 4: Simplify right side
    26,719.14x = 545,016,499.15
  5. Step 5: Solve for x
    x = 545,016,499.15/26,719.14
  6. Step 6: Final answer
    x = 20,397.98

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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.