Home / 25,814.16-35,625.60-15,205.88

Finding the Fourth Proportional to 25,814.16, 35,625.60 and 15,205.88

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Solution

The fourth proportional to 25,814.16, 35,625.60 and 15,205.88 is: 20,985.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,814.16 : 35,625.60 = 15,205.88 : x
  2. Step 2: Convert to fraction form
    25,814.16/35,625.60 = 15,205.88/x
  3. Step 3: Cross multiply
    25,814.16x = 35,625.60 × 15,205.88
  4. Step 4: Simplify right side
    25,814.16x = 541,718,598.53
  5. Step 5: Solve for x
    x = 541,718,598.53/25,814.16
  6. Step 6: Final answer
    x = 20,985.33

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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.