Home / 27,981.47-38,602.28-16,042.07

Finding the Fourth Proportional to 27,981.47, 38,602.28 and 16,042.07

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Solution

The fourth proportional to 27,981.47, 38,602.28 and 16,042.07 is: 22,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,981.47 : 38,602.28 = 16,042.07 : x
  2. Step 2: Convert to fraction form
    27,981.47/38,602.28 = 16,042.07/x
  3. Step 3: Cross multiply
    27,981.47x = 38,602.28 × 16,042.07
  4. Step 4: Simplify right side
    27,981.47x = 619,260,204.70
  5. Step 5: Solve for x
    x = 619,260,204.70/27,981.47
  6. Step 6: Final answer
    x = 22,131.09

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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.