Home / 21,883.02-32,751.60-15,854.22

Finding the Fourth Proportional to 21,883.02, 32,751.60 and 15,854.22

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Solution

The fourth proportional to 21,883.02, 32,751.60 and 15,854.22 is: 23,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,883.02 : 32,751.60 = 15,854.22 : x
  2. Step 2: Convert to fraction form
    21,883.02/32,751.60 = 15,854.22/x
  3. Step 3: Cross multiply
    21,883.02x = 32,751.60 × 15,854.22
  4. Step 4: Simplify right side
    21,883.02x = 519,251,071.75
  5. Step 5: Solve for x
    x = 519,251,071.75/21,883.02
  6. Step 6: Final answer
    x = 23,728.49

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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.