Home / 67,876.43-101,854.33-28,430.24

Finding the Fourth Proportional to 67,876.43, 101,854.33 and 28,430.24

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Solution

The fourth proportional to 67,876.43, 101,854.33 and 28,430.24 is: 42,661.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,876.43 : 101,854.33 = 28,430.24 : x
  2. Step 2: Convert to fraction form
    67,876.43/101,854.33 = 28,430.24/x
  3. Step 3: Cross multiply
    67,876.43x = 101,854.33 × 28,430.24
  4. Step 4: Simplify right side
    67,876.43x = 2,895,742,466.59
  5. Step 5: Solve for x
    x = 2,895,742,466.59/67,876.43
  6. Step 6: Final answer
    x = 42,661.98

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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.