Home / 24,878.54-34,330.82-13,700.54

Finding the Fourth Proportional to 24,878.54, 34,330.82 and 13,700.54

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Solution

The fourth proportional to 24,878.54, 34,330.82 and 13,700.54 is: 18,905.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,878.54 : 34,330.82 = 13,700.54 : x
  2. Step 2: Convert to fraction form
    24,878.54/34,330.82 = 13,700.54/x
  3. Step 3: Cross multiply
    24,878.54x = 34,330.82 × 13,700.54
  4. Step 4: Simplify right side
    24,878.54x = 470,350,772.64
  5. Step 5: Solve for x
    x = 470,350,772.64/24,878.54
  6. Step 6: Final answer
    x = 18,905.88

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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.