Home / 26,215-36,178.14-15,037.72

Finding the Fourth Proportional to 26,215, 36,178.14 and 15,037.72

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Solution

The fourth proportional to 26,215, 36,178.14 and 15,037.72 is: 20,752.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,215 : 36,178.14 = 15,037.72 : x
  2. Step 2: Convert to fraction form
    26,215/36,178.14 = 15,037.72/x
  3. Step 3: Cross multiply
    26,215x = 36,178.14 × 15,037.72
  4. Step 4: Simplify right side
    26,215x = 544,036,739.44
  5. Step 5: Solve for x
    x = 544,036,739.44/26,215
  6. Step 6: Final answer
    x = 20,752.88

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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.