Home / 20,615.55-30,925.34-5,824.57

Finding the Fourth Proportional to 20,615.55, 30,925.34 and 5,824.57

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Solution

The fourth proportional to 20,615.55, 30,925.34 and 5,824.57 is: 8,737.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,615.55 : 30,925.34 = 5,824.57 : x
  2. Step 2: Convert to fraction form
    20,615.55/30,925.34 = 5,824.57/x
  3. Step 3: Cross multiply
    20,615.55x = 30,925.34 × 5,824.57
  4. Step 4: Simplify right side
    20,615.55x = 180,126,807.60
  5. Step 5: Solve for x
    x = 180,126,807.60/20,615.55
  6. Step 6: Final answer
    x = 8,737.42

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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.