Home / 65,500.09-98,167.98-28,016.16

Finding the Fourth Proportional to 65,500.09, 98,167.98 and 28,016.16

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Solution

The fourth proportional to 65,500.09, 98,167.98 and 28,016.16 is: 41,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,500.09 : 98,167.98 = 28,016.16 : x
  2. Step 2: Convert to fraction form
    65,500.09/98,167.98 = 28,016.16/x
  3. Step 3: Cross multiply
    65,500.09x = 98,167.98 × 28,016.16
  4. Step 4: Simplify right side
    65,500.09x = 2,750,289,834.56
  5. Step 5: Solve for x
    x = 2,750,289,834.56/65,500.09
  6. Step 6: Final answer
    x = 41,989.10

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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.