Home / 25,557.82-38,353.13-12,403.01

Finding the Fourth Proportional to 25,557.82, 38,353.13 and 12,403.01

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Solution

The fourth proportional to 25,557.82, 38,353.13 and 12,403.01 is: 18,612.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,557.82 : 38,353.13 = 12,403.01 : x
  2. Step 2: Convert to fraction form
    25,557.82/38,353.13 = 12,403.01/x
  3. Step 3: Cross multiply
    25,557.82x = 38,353.13 × 12,403.01
  4. Step 4: Simplify right side
    25,557.82x = 475,694,288.79
  5. Step 5: Solve for x
    x = 475,694,288.79/25,557.82
  6. Step 6: Final answer
    x = 18,612.48

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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.