Home / 84,594.26-126,878.63-28,432.10

Finding the Fourth Proportional to 84,594.26, 126,878.63 and 28,432.10

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Solution

The fourth proportional to 84,594.26, 126,878.63 and 28,432.10 is: 42,643.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,594.26 : 126,878.63 = 28,432.10 : x
  2. Step 2: Convert to fraction form
    84,594.26/126,878.63 = 28,432.10/x
  3. Step 3: Cross multiply
    84,594.26x = 126,878.63 × 28,432.10
  4. Step 4: Simplify right side
    84,594.26x = 3,607,425,119.47
  5. Step 5: Solve for x
    x = 3,607,425,119.47/84,594.26
  6. Step 6: Final answer
    x = 42,643.85

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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.