Home / 28,834.02-43,255.65-9,117.20

Finding the Fourth Proportional to 28,834.02, 43,255.65 and 9,117.20

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Solution

The fourth proportional to 28,834.02, 43,255.65 and 9,117.20 is: 13,677.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,834.02 : 43,255.65 = 9,117.20 : x
  2. Step 2: Convert to fraction form
    28,834.02/43,255.65 = 9,117.20/x
  3. Step 3: Cross multiply
    28,834.02x = 43,255.65 × 9,117.20
  4. Step 4: Simplify right side
    28,834.02x = 394,370,195.90
  5. Step 5: Solve for x
    x = 394,370,195.90/28,834.02
  6. Step 6: Final answer
    x = 13,677.25

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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.