Home / 28,862.80-43,283.40-10,135.60

Finding the Fourth Proportional to 28,862.80, 43,283.40 and 10,135.60

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Solution

The fourth proportional to 28,862.80, 43,283.40 and 10,135.60 is: 15,199.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,862.80 : 43,283.40 = 10,135.60 : x
  2. Step 2: Convert to fraction form
    28,862.80/43,283.40 = 10,135.60/x
  3. Step 3: Cross multiply
    28,862.80x = 43,283.40 × 10,135.60
  4. Step 4: Simplify right side
    28,862.80x = 438,703,229.04
  5. Step 5: Solve for x
    x = 438,703,229.04/28,862.80
  6. Step 6: Final answer
    x = 15,199.61

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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.