Home / 28,317.47-42,481.67-15,184.53

Finding the Fourth Proportional to 28,317.47, 42,481.67 and 15,184.53

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Solution

The fourth proportional to 28,317.47, 42,481.67 and 15,184.53 is: 22,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,317.47 : 42,481.67 = 15,184.53 : x
  2. Step 2: Convert to fraction form
    28,317.47/42,481.67 = 15,184.53/x
  3. Step 3: Cross multiply
    28,317.47x = 42,481.67 × 15,184.53
  4. Step 4: Simplify right side
    28,317.47x = 645,064,116.64
  5. Step 5: Solve for x
    x = 645,064,116.64/28,317.47
  6. Step 6: Final answer
    x = 22,779.73

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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.