Home / 25,747.80-38,580.30-14,621.40

Finding the Fourth Proportional to 25,747.80, 38,580.30 and 14,621.40

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Solution

The fourth proportional to 25,747.80, 38,580.30 and 14,621.40 is: 21,908.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,747.80 : 38,580.30 = 14,621.40 : x
  2. Step 2: Convert to fraction form
    25,747.80/38,580.30 = 14,621.40/x
  3. Step 3: Cross multiply
    25,747.80x = 38,580.30 × 14,621.40
  4. Step 4: Simplify right side
    25,747.80x = 564,097,998.42
  5. Step 5: Solve for x
    x = 564,097,998.42/25,747.80
  6. Step 6: Final answer
    x = 21,908.59

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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.