Home / 52,157.85-71,977.20-28,284.23

Finding the Fourth Proportional to 52,157.85, 71,977.20 and 28,284.23

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Solution

The fourth proportional to 52,157.85, 71,977.20 and 28,284.23 is: 39,031.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,157.85 : 71,977.20 = 28,284.23 : x
  2. Step 2: Convert to fraction form
    52,157.85/71,977.20 = 28,284.23/x
  3. Step 3: Cross multiply
    52,157.85x = 71,977.20 × 28,284.23
  4. Step 4: Simplify right side
    52,157.85x = 2,035,819,859.50
  5. Step 5: Solve for x
    x = 2,035,819,859.50/52,157.85
  6. Step 6: Final answer
    x = 39,031.90

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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.