Home / 26,861.02-40,309.02-10,221.20

Finding the Fourth Proportional to 26,861.02, 40,309.02 and 10,221.20

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Solution

The fourth proportional to 26,861.02, 40,309.02 and 10,221.20 is: 15,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,861.02 : 40,309.02 = 10,221.20 : x
  2. Step 2: Convert to fraction form
    26,861.02/40,309.02 = 10,221.20/x
  3. Step 3: Cross multiply
    26,861.02x = 40,309.02 × 10,221.20
  4. Step 4: Simplify right side
    26,861.02x = 412,006,353.68
  5. Step 5: Solve for x
    x = 412,006,353.68/26,861.02
  6. Step 6: Final answer
    x = 15,338.45

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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.