Home / 25,778.64-35,575.24-14,600.40

Finding the Fourth Proportional to 25,778.64, 35,575.24 and 14,600.40

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Solution

The fourth proportional to 25,778.64, 35,575.24 and 14,600.40 is: 20,148.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,778.64 : 35,575.24 = 14,600.40 : x
  2. Step 2: Convert to fraction form
    25,778.64/35,575.24 = 14,600.40/x
  3. Step 3: Cross multiply
    25,778.64x = 35,575.24 × 14,600.40
  4. Step 4: Simplify right side
    25,778.64x = 519,412,734.10
  5. Step 5: Solve for x
    x = 519,412,734.10/25,778.64
  6. Step 6: Final answer
    x = 20,148.96

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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.