Home / 27,981.63-38,612.30-16,042.23

Finding the Fourth Proportional to 27,981.63, 38,612.30 and 16,042.23

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Solution

The fourth proportional to 27,981.63, 38,612.30 and 16,042.23 is: 22,136.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,981.63 : 38,612.30 = 16,042.23 : x
  2. Step 2: Convert to fraction form
    27,981.63/38,612.30 = 16,042.23/x
  3. Step 3: Cross multiply
    27,981.63x = 38,612.30 × 16,042.23
  4. Step 4: Simplify right side
    27,981.63x = 619,427,317.22
  5. Step 5: Solve for x
    x = 619,427,317.22/27,981.63
  6. Step 6: Final answer
    x = 22,136.93

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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.