Home / 21,727.47-29,981.84-17,262.03

Finding the Fourth Proportional to 21,727.47, 29,981.84 and 17,262.03

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Solution

The fourth proportional to 21,727.47, 29,981.84 and 17,262.03 is: 23,819.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,727.47 : 29,981.84 = 17,262.03 : x
  2. Step 2: Convert to fraction form
    21,727.47/29,981.84 = 17,262.03/x
  3. Step 3: Cross multiply
    21,727.47x = 29,981.84 × 17,262.03
  4. Step 4: Simplify right side
    21,727.47x = 517,547,335.23
  5. Step 5: Solve for x
    x = 517,547,335.23/21,727.47
  6. Step 6: Final answer
    x = 23,819.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.