Home / 25,261.80-34,861.46-13,931.70

Finding the Fourth Proportional to 25,261.80, 34,861.46 and 13,931.70

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Solution

The fourth proportional to 25,261.80, 34,861.46 and 13,931.70 is: 19,225.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,261.80 : 34,861.46 = 13,931.70 : x
  2. Step 2: Convert to fraction form
    25,261.80/34,861.46 = 13,931.70/x
  3. Step 3: Cross multiply
    25,261.80x = 34,861.46 × 13,931.70
  4. Step 4: Simplify right side
    25,261.80x = 485,679,332.62
  5. Step 5: Solve for x
    x = 485,679,332.62/25,261.80
  6. Step 6: Final answer
    x = 19,225.84

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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.