Home / 15,988.64-23,979.76-4,302

Finding the Fourth Proportional to 15,988.64, 23,979.76 and 4,302

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Solution

The fourth proportional to 15,988.64, 23,979.76 and 4,302 is: 6,452.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988.64 : 23,979.76 = 4,302 : x
  2. Step 2: Convert to fraction form
    15,988.64/23,979.76 = 4,302/x
  3. Step 3: Cross multiply
    15,988.64x = 23,979.76 × 4,302
  4. Step 4: Simplify right side
    15,988.64x = 103,160,927.52
  5. Step 5: Solve for x
    x = 103,160,927.52/15,988.64
  6. Step 6: Final answer
    x = 6,452.14

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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.