Home / 26,731.72-40,111.62-15,660.16

Finding the Fourth Proportional to 26,731.72, 40,111.62 and 15,660.16

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Solution

The fourth proportional to 26,731.72, 40,111.62 and 15,660.16 is: 23,498.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,731.72 : 40,111.62 = 15,660.16 : x
  2. Step 2: Convert to fraction form
    26,731.72/40,111.62 = 15,660.16/x
  3. Step 3: Cross multiply
    26,731.72x = 40,111.62 × 15,660.16
  4. Step 4: Simplify right side
    26,731.72x = 628,154,387.06
  5. Step 5: Solve for x
    x = 628,154,387.06/26,731.72
  6. Step 6: Final answer
    x = 23,498.47

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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.