Home / 21,837.15-32,728.29-9,342.48

Finding the Fourth Proportional to 21,837.15, 32,728.29 and 9,342.48

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Solution

The fourth proportional to 21,837.15, 32,728.29 and 9,342.48 is: 14,001.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,837.15 : 32,728.29 = 9,342.48 : x
  2. Step 2: Convert to fraction form
    21,837.15/32,728.29 = 9,342.48/x
  3. Step 3: Cross multiply
    21,837.15x = 32,728.29 × 9,342.48
  4. Step 4: Simplify right side
    21,837.15x = 305,763,394.76
  5. Step 5: Solve for x
    x = 305,763,394.76/21,837.15
  6. Step 6: Final answer
    x = 14,001.98

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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.