Home / 25,056.18-34,584.30-14,991.12

Finding the Fourth Proportional to 25,056.18, 34,584.30 and 14,991.12

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Solution

The fourth proportional to 25,056.18, 34,584.30 and 14,991.12 is: 20,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,056.18 : 34,584.30 = 14,991.12 : x
  2. Step 2: Convert to fraction form
    25,056.18/34,584.30 = 14,991.12/x
  3. Step 3: Cross multiply
    25,056.18x = 34,584.30 × 14,991.12
  4. Step 4: Simplify right side
    25,056.18x = 518,457,391.42
  5. Step 5: Solve for x
    x = 518,457,391.42/25,056.18
  6. Step 6: Final answer
    x = 20,691.80

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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.