Home / 26,145.76-36,079.02-15,388.96

Finding the Fourth Proportional to 26,145.76, 36,079.02 and 15,388.96

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Solution

The fourth proportional to 26,145.76, 36,079.02 and 15,388.96 is: 21,235.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,145.76 : 36,079.02 = 15,388.96 : x
  2. Step 2: Convert to fraction form
    26,145.76/36,079.02 = 15,388.96/x
  3. Step 3: Cross multiply
    26,145.76x = 36,079.02 × 15,388.96
  4. Step 4: Simplify right side
    26,145.76x = 555,218,595.62
  5. Step 5: Solve for x
    x = 555,218,595.62/26,145.76
  6. Step 6: Final answer
    x = 21,235.51

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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.