Home / 26,871.02-40,306.47-7,149.57

Finding the Fourth Proportional to 26,871.02, 40,306.47 and 7,149.57

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Solution

The fourth proportional to 26,871.02, 40,306.47 and 7,149.57 is: 10,724.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,871.02 : 40,306.47 = 7,149.57 : x
  2. Step 2: Convert to fraction form
    26,871.02/40,306.47 = 7,149.57/x
  3. Step 3: Cross multiply
    26,871.02x = 40,306.47 × 7,149.57
  4. Step 4: Simplify right side
    26,871.02x = 288,173,750.76
  5. Step 5: Solve for x
    x = 288,173,750.76/26,871.02
  6. Step 6: Final answer
    x = 10,724.33

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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.