Home / 26,981.64-37,221.42-18,031.36

Finding the Fourth Proportional to 26,981.64, 37,221.42 and 18,031.36

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Solution

The fourth proportional to 26,981.64, 37,221.42 and 18,031.36 is: 24,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,981.64 : 37,221.42 = 18,031.36 : x
  2. Step 2: Convert to fraction form
    26,981.64/37,221.42 = 18,031.36/x
  3. Step 3: Cross multiply
    26,981.64x = 37,221.42 × 18,031.36
  4. Step 4: Simplify right side
    26,981.64x = 671,152,823.73
  5. Step 5: Solve for x
    x = 671,152,823.73/26,981.64
  6. Step 6: Final answer
    x = 24,874.43

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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.