Home / 28,608.11-42,924-15,445.00

Finding the Fourth Proportional to 28,608.11, 42,924 and 15,445.00

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Solution

The fourth proportional to 28,608.11, 42,924 and 15,445.00 is: 23,173.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608.11 : 42,924 = 15,445.00 : x
  2. Step 2: Convert to fraction form
    28,608.11/42,924 = 15,445.00/x
  3. Step 3: Cross multiply
    28,608.11x = 42,924 × 15,445.00
  4. Step 4: Simplify right side
    28,608.11x = 662,960,965.38
  5. Step 5: Solve for x
    x = 662,960,965.38/28,608.11
  6. Step 6: Final answer
    x = 23,173.89

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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.