Home / 26,712.15-40,068.57-11,921.88

Finding the Fourth Proportional to 26,712.15, 40,068.57 and 11,921.88

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Solution

The fourth proportional to 26,712.15, 40,068.57 and 11,921.88 is: 17,882.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,712.15 : 40,068.57 = 11,921.88 : x
  2. Step 2: Convert to fraction form
    26,712.15/40,068.57 = 11,921.88/x
  3. Step 3: Cross multiply
    26,712.15x = 40,068.57 × 11,921.88
  4. Step 4: Simplify right side
    26,712.15x = 477,692,878.28
  5. Step 5: Solve for x
    x = 477,692,878.28/26,712.15
  6. Step 6: Final answer
    x = 17,882.98

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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.