Home / 15,428.17-23,138.65-4,335.93

Finding the Fourth Proportional to 15,428.17, 23,138.65 and 4,335.93

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Solution

The fourth proportional to 15,428.17, 23,138.65 and 4,335.93 is: 6,502.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.17 : 23,138.65 = 4,335.93 : x
  2. Step 2: Convert to fraction form
    15,428.17/23,138.65 = 4,335.93/x
  3. Step 3: Cross multiply
    15,428.17x = 23,138.65 × 4,335.93
  4. Step 4: Simplify right side
    15,428.17x = 100,327,440.16
  5. Step 5: Solve for x
    x = 100,327,440.16/15,428.17
  6. Step 6: Final answer
    x = 6,502.87

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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.