Home / 26,807.67-36,951.57-21,132.99

Finding the Fourth Proportional to 26,807.67, 36,951.57 and 21,132.99

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Solution

The fourth proportional to 26,807.67, 36,951.57 and 21,132.99 is: 29,129.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,807.67 : 36,951.57 = 21,132.99 : x
  2. Step 2: Convert to fraction form
    26,807.67/36,951.57 = 21,132.99/x
  3. Step 3: Cross multiply
    26,807.67x = 36,951.57 × 21,132.99
  4. Step 4: Simplify right side
    26,807.67x = 780,897,159.29
  5. Step 5: Solve for x
    x = 780,897,159.29/26,807.67
  6. Step 6: Final answer
    x = 29,129.62

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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.