Home / 21,837.50-32,759.24-9,988.52

Finding the Fourth Proportional to 21,837.50, 32,759.24 and 9,988.52

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Solution

The fourth proportional to 21,837.50, 32,759.24 and 9,988.52 is: 14,984.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,837.50 : 32,759.24 = 9,988.52 : x
  2. Step 2: Convert to fraction form
    21,837.50/32,759.24 = 9,988.52/x
  3. Step 3: Cross multiply
    21,837.50x = 32,759.24 × 9,988.52
  4. Step 4: Simplify right side
    21,837.50x = 327,216,110.19
  5. Step 5: Solve for x
    x = 327,216,110.19/21,837.50
  6. Step 6: Final answer
    x = 14,984.14

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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.