Home / 21,837.04-32,728.16-9,342.40

Finding the Fourth Proportional to 21,837.04, 32,728.16 and 9,342.40

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Solution

The fourth proportional to 21,837.04, 32,728.16 and 9,342.40 is: 14,001.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,837.04 : 32,728.16 = 9,342.40 : x
  2. Step 2: Convert to fraction form
    21,837.04/32,728.16 = 9,342.40/x
  3. Step 3: Cross multiply
    21,837.04x = 32,728.16 × 9,342.40
  4. Step 4: Simplify right side
    21,837.04x = 305,759,561.98
  5. Step 5: Solve for x
    x = 305,759,561.98/21,837.04
  6. Step 6: Final answer
    x = 14,001.88

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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.