Home / 25,829.11-35,637.60-15,756.90

Finding the Fourth Proportional to 25,829.11, 35,637.60 and 15,756.90

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Solution

The fourth proportional to 25,829.11, 35,637.60 and 15,756.90 is: 21,740.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,829.11 : 35,637.60 = 15,756.90 : x
  2. Step 2: Convert to fraction form
    25,829.11/35,637.60 = 15,756.90/x
  3. Step 3: Cross multiply
    25,829.11x = 35,637.60 × 15,756.90
  4. Step 4: Simplify right side
    25,829.11x = 561,538,099.44
  5. Step 5: Solve for x
    x = 561,538,099.44/25,829.11
  6. Step 6: Final answer
    x = 21,740.51

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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.