Home / 26,489.66-36,557.78-15,162.71

Finding the Fourth Proportional to 26,489.66, 36,557.78 and 15,162.71

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Solution

The fourth proportional to 26,489.66, 36,557.78 and 15,162.71 is: 20,925.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,489.66 : 36,557.78 = 15,162.71 : x
  2. Step 2: Convert to fraction form
    26,489.66/36,557.78 = 15,162.71/x
  3. Step 3: Cross multiply
    26,489.66x = 36,557.78 × 15,162.71
  4. Step 4: Simplify right side
    26,489.66x = 554,315,016.38
  5. Step 5: Solve for x
    x = 554,315,016.38/26,489.66
  6. Step 6: Final answer
    x = 20,925.71

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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.