Home / 28,387.56-42,507.48-15,175.35

Finding the Fourth Proportional to 28,387.56, 42,507.48 and 15,175.35

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Solution

The fourth proportional to 28,387.56, 42,507.48 and 15,175.35 is: 22,723.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,387.56 : 42,507.48 = 15,175.35 : x
  2. Step 2: Convert to fraction form
    28,387.56/42,507.48 = 15,175.35/x
  3. Step 3: Cross multiply
    28,387.56x = 42,507.48 × 15,175.35
  4. Step 4: Simplify right side
    28,387.56x = 645,065,886.62
  5. Step 5: Solve for x
    x = 645,065,886.62/28,387.56
  6. Step 6: Final answer
    x = 22,723.54

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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.