Home / 28,760.55-42,909.81-25,603.07

Finding the Fourth Proportional to 28,760.55, 42,909.81 and 25,603.07

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Solution

The fourth proportional to 28,760.55, 42,909.81 and 25,603.07 is: 38,198.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,760.55 : 42,909.81 = 25,603.07 : x
  2. Step 2: Convert to fraction form
    28,760.55/42,909.81 = 25,603.07/x
  3. Step 3: Cross multiply
    28,760.55x = 42,909.81 × 25,603.07
  4. Step 4: Simplify right side
    28,760.55x = 1,098,622,654.57
  5. Step 5: Solve for x
    x = 1,098,622,654.57/28,760.55
  6. Step 6: Final answer
    x = 38,198.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.