Home / 15,690.28-23,535.90-4,003.72

Finding the Fourth Proportional to 15,690.28, 23,535.90 and 4,003.72

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Solution

The fourth proportional to 15,690.28, 23,535.90 and 4,003.72 is: 6,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690.28 : 23,535.90 = 4,003.72 : x
  2. Step 2: Convert to fraction form
    15,690.28/23,535.90 = 4,003.72/x
  3. Step 3: Cross multiply
    15,690.28x = 23,535.90 × 4,003.72
  4. Step 4: Simplify right side
    15,690.28x = 94,231,153.55
  5. Step 5: Solve for x
    x = 94,231,153.55/15,690.28
  6. Step 6: Final answer
    x = 6,005.70

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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.