Home / 40,204.14-55,430.72-28,732.74

Finding the Fourth Proportional to 40,204.14, 55,430.72 and 28,732.74

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Solution

The fourth proportional to 40,204.14, 55,430.72 and 28,732.74 is: 39,614.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,204.14 : 55,430.72 = 28,732.74 : x
  2. Step 2: Convert to fraction form
    40,204.14/55,430.72 = 28,732.74/x
  3. Step 3: Cross multiply
    40,204.14x = 55,430.72 × 28,732.74
  4. Step 4: Simplify right side
    40,204.14x = 1,592,676,465.77
  5. Step 5: Solve for x
    x = 1,592,676,465.77/40,204.14
  6. Step 6: Final answer
    x = 39,614.74

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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.