Home / 25,150.30-34,705.02-15,076.87

Finding the Fourth Proportional to 25,150.30, 34,705.02 and 15,076.87

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Solution

The fourth proportional to 25,150.30, 34,705.02 and 15,076.87 is: 20,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,150.30 : 34,705.02 = 15,076.87 : x
  2. Step 2: Convert to fraction form
    25,150.30/34,705.02 = 15,076.87/x
  3. Step 3: Cross multiply
    25,150.30x = 34,705.02 × 15,076.87
  4. Step 4: Simplify right side
    25,150.30x = 523,243,044.66
  5. Step 5: Solve for x
    x = 523,243,044.66/25,150.30
  6. Step 6: Final answer
    x = 20,804.65

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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.