Home / 26,311.08-36,282.02-20,343.72

Finding the Fourth Proportional to 26,311.08, 36,282.02 and 20,343.72

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Solution

The fourth proportional to 26,311.08, 36,282.02 and 20,343.72 is: 28,053.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,311.08 : 36,282.02 = 20,343.72 : x
  2. Step 2: Convert to fraction form
    26,311.08/36,282.02 = 20,343.72/x
  3. Step 3: Cross multiply
    26,311.08x = 36,282.02 × 20,343.72
  4. Step 4: Simplify right side
    26,311.08x = 738,111,255.91
  5. Step 5: Solve for x
    x = 738,111,255.91/26,311.08
  6. Step 6: Final answer
    x = 28,053.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.