Home / 25,685.88-35,449.84-15,076.50

Finding the Fourth Proportional to 25,685.88, 35,449.84 and 15,076.50

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Solution

The fourth proportional to 25,685.88, 35,449.84 and 15,076.50 is: 20,807.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685.88 : 35,449.84 = 15,076.50 : x
  2. Step 2: Convert to fraction form
    25,685.88/35,449.84 = 15,076.50/x
  3. Step 3: Cross multiply
    25,685.88x = 35,449.84 × 15,076.50
  4. Step 4: Simplify right side
    25,685.88x = 534,459,512.76
  5. Step 5: Solve for x
    x = 534,459,512.76/25,685.88
  6. Step 6: Final answer
    x = 20,807.52

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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.