Home / 25,609.06-38,418.80-14,520.70

Finding the Fourth Proportional to 25,609.06, 38,418.80 and 14,520.70

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Solution

The fourth proportional to 25,609.06, 38,418.80 and 14,520.70 is: 21,784.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,609.06 : 38,418.80 = 14,520.70 : x
  2. Step 2: Convert to fraction form
    25,609.06/38,418.80 = 14,520.70/x
  3. Step 3: Cross multiply
    25,609.06x = 38,418.80 × 14,520.70
  4. Step 4: Simplify right side
    25,609.06x = 557,867,869.16
  5. Step 5: Solve for x
    x = 557,867,869.16/25,609.06
  6. Step 6: Final answer
    x = 21,784.00

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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.