Home / 25,262.33-34,861.37-13,931.78

Finding the Fourth Proportional to 25,262.33, 34,861.37 and 13,931.78

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Solution

The fourth proportional to 25,262.33, 34,861.37 and 13,931.78 is: 19,225.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,262.33 : 34,861.37 = 13,931.78 : x
  2. Step 2: Convert to fraction form
    25,262.33/34,861.37 = 13,931.78/x
  3. Step 3: Cross multiply
    25,262.33x = 34,861.37 × 13,931.78
  4. Step 4: Simplify right side
    25,262.33x = 485,680,693.37
  5. Step 5: Solve for x
    x = 485,680,693.37/25,262.33
  6. Step 6: Final answer
    x = 19,225.49

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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.