Home / 26,920.81-40,282.80-15,832.72

Finding the Fourth Proportional to 26,920.81, 40,282.80 and 15,832.72

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Solution

The fourth proportional to 26,920.81, 40,282.80 and 15,832.72 is: 23,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,920.81 : 40,282.80 = 15,832.72 : x
  2. Step 2: Convert to fraction form
    26,920.81/40,282.80 = 15,832.72/x
  3. Step 3: Cross multiply
    26,920.81x = 40,282.80 × 15,832.72
  4. Step 4: Simplify right side
    26,920.81x = 637,786,293.22
  5. Step 5: Solve for x
    x = 637,786,293.22/26,920.81
  6. Step 6: Final answer
    x = 23,691.20

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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.