Home / 28,468.30-42,702.45-15,346.30

Finding the Fourth Proportional to 28,468.30, 42,702.45 and 15,346.30

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Solution

The fourth proportional to 28,468.30, 42,702.45 and 15,346.30 is: 23,019.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,468.30 : 42,702.45 = 15,346.30 : x
  2. Step 2: Convert to fraction form
    28,468.30/42,702.45 = 15,346.30/x
  3. Step 3: Cross multiply
    28,468.30x = 42,702.45 × 15,346.30
  4. Step 4: Simplify right side
    28,468.30x = 655,324,608.44
  5. Step 5: Solve for x
    x = 655,324,608.44/28,468.30
  6. Step 6: Final answer
    x = 23,019.45

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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.