Home / 26,651.89-36,781.05-14,715.19

Finding the Fourth Proportional to 26,651.89, 36,781.05 and 14,715.19

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Solution

The fourth proportional to 26,651.89, 36,781.05 and 14,715.19 is: 20,307.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,651.89 : 36,781.05 = 14,715.19 : x
  2. Step 2: Convert to fraction form
    26,651.89/36,781.05 = 14,715.19/x
  3. Step 3: Cross multiply
    26,651.89x = 36,781.05 × 14,715.19
  4. Step 4: Simplify right side
    26,651.89x = 541,240,139.15
  5. Step 5: Solve for x
    x = 541,240,139.15/26,651.89
  6. Step 6: Final answer
    x = 20,307.76

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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.