Home / 28,295.55-42,394.73-13,472.55

Finding the Fourth Proportional to 28,295.55, 42,394.73 and 13,472.55

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Solution

The fourth proportional to 28,295.55, 42,394.73 and 13,472.55 is: 20,185.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295.55 : 42,394.73 = 13,472.55 : x
  2. Step 2: Convert to fraction form
    28,295.55/42,394.73 = 13,472.55/x
  3. Step 3: Cross multiply
    28,295.55x = 42,394.73 × 13,472.55
  4. Step 4: Simplify right side
    28,295.55x = 571,165,052.30
  5. Step 5: Solve for x
    x = 571,165,052.30/28,295.55
  6. Step 6: Final answer
    x = 20,185.68

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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.