Home / 26,780.18-40,131.78-15,068.66

Finding the Fourth Proportional to 26,780.18, 40,131.78 and 15,068.66

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Solution

The fourth proportional to 26,780.18, 40,131.78 and 15,068.66 is: 22,581.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,780.18 : 40,131.78 = 15,068.66 : x
  2. Step 2: Convert to fraction form
    26,780.18/40,131.78 = 15,068.66/x
  3. Step 3: Cross multiply
    26,780.18x = 40,131.78 × 15,068.66
  4. Step 4: Simplify right side
    26,780.18x = 604,731,947.36
  5. Step 5: Solve for x
    x = 604,731,947.36/26,780.18
  6. Step 6: Final answer
    x = 22,581.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.