Home / 84,559.20-126,841.89-28,401.17

Finding the Fourth Proportional to 84,559.20, 126,841.89 and 28,401.17

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Solution

The fourth proportional to 84,559.20, 126,841.89 and 28,401.17 is: 42,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,559.20 : 126,841.89 = 28,401.17 : x
  2. Step 2: Convert to fraction form
    84,559.20/126,841.89 = 28,401.17/x
  3. Step 3: Cross multiply
    84,559.20x = 126,841.89 × 28,401.17
  4. Step 4: Simplify right side
    84,559.20x = 3,602,457,446.80
  5. Step 5: Solve for x
    x = 3,602,457,446.80/84,559.20
  6. Step 6: Final answer
    x = 42,602.79

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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.