Home / 21,837.60-32,717.52-10,130.40

Finding the Fourth Proportional to 21,837.60, 32,717.52 and 10,130.40

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Solution

The fourth proportional to 21,837.60, 32,717.52 and 10,130.40 is: 15,177.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,837.60 : 32,717.52 = 10,130.40 : x
  2. Step 2: Convert to fraction form
    21,837.60/32,717.52 = 10,130.40/x
  3. Step 3: Cross multiply
    21,837.60x = 32,717.52 × 10,130.40
  4. Step 4: Simplify right side
    21,837.60x = 331,441,564.61
  5. Step 5: Solve for x
    x = 331,441,564.61/21,837.60
  6. Step 6: Final answer
    x = 15,177.56

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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.