Home / 25,945.46-38,878.53-15,394.70

Finding the Fourth Proportional to 25,945.46, 38,878.53 and 15,394.70

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Solution

The fourth proportional to 25,945.46, 38,878.53 and 15,394.70 is: 23,068.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,945.46 : 38,878.53 = 15,394.70 : x
  2. Step 2: Convert to fraction form
    25,945.46/38,878.53 = 15,394.70/x
  3. Step 3: Cross multiply
    25,945.46x = 38,878.53 × 15,394.70
  4. Step 4: Simplify right side
    25,945.46x = 598,523,111.40
  5. Step 5: Solve for x
    x = 598,523,111.40/25,945.46
  6. Step 6: Final answer
    x = 23,068.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.