Home / 25,111.38-34,652.55-13,780.62

Finding the Fourth Proportional to 25,111.38, 34,652.55 and 13,780.62

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Solution

The fourth proportional to 25,111.38, 34,652.55 and 13,780.62 is: 19,016.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,111.38 : 34,652.55 = 13,780.62 : x
  2. Step 2: Convert to fraction form
    25,111.38/34,652.55 = 13,780.62/x
  3. Step 3: Cross multiply
    25,111.38x = 34,652.55 × 13,780.62
  4. Step 4: Simplify right side
    25,111.38x = 477,533,623.58
  5. Step 5: Solve for x
    x = 477,533,623.58/25,111.38
  6. Step 6: Final answer
    x = 19,016.62

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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.