Home / 26,761.64-40,148.08-10,121.30

Finding the Fourth Proportional to 26,761.64, 40,148.08 and 10,121.30

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Solution

The fourth proportional to 26,761.64, 40,148.08 and 10,121.30 is: 15,184.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,761.64 : 40,148.08 = 10,121.30 : x
  2. Step 2: Convert to fraction form
    26,761.64/40,148.08 = 10,121.30/x
  3. Step 3: Cross multiply
    26,761.64x = 40,148.08 × 10,121.30
  4. Step 4: Simplify right side
    26,761.64x = 406,350,762.10
  5. Step 5: Solve for x
    x = 406,350,762.10/26,761.64
  6. Step 6: Final answer
    x = 15,184.08

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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.