Home / 28,750.15-39,675.19-16,003.05

Finding the Fourth Proportional to 28,750.15, 39,675.19 and 16,003.05

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Solution

The fourth proportional to 28,750.15, 39,675.19 and 16,003.05 is: 22,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750.15 : 39,675.19 = 16,003.05 : x
  2. Step 2: Convert to fraction form
    28,750.15/39,675.19 = 16,003.05/x
  3. Step 3: Cross multiply
    28,750.15x = 39,675.19 × 16,003.05
  4. Step 4: Simplify right side
    28,750.15x = 634,924,158.73
  5. Step 5: Solve for x
    x = 634,924,158.73/28,750.15
  6. Step 6: Final answer
    x = 22,084.20

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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.