Home / 21,724.13-32,598.51-11,728.74

Finding the Fourth Proportional to 21,724.13, 32,598.51 and 11,728.74

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Solution

The fourth proportional to 21,724.13, 32,598.51 and 11,728.74 is: 17,599.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,724.13 : 32,598.51 = 11,728.74 : x
  2. Step 2: Convert to fraction form
    21,724.13/32,598.51 = 11,728.74/x
  3. Step 3: Cross multiply
    21,724.13x = 32,598.51 × 11,728.74
  4. Step 4: Simplify right side
    21,724.13x = 382,339,448.18
  5. Step 5: Solve for x
    x = 382,339,448.18/21,724.13
  6. Step 6: Final answer
    x = 17,599.76

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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.