Home / 28,300.80-42,350.40-24,643.20

Finding the Fourth Proportional to 28,300.80, 42,350.40 and 24,643.20

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Solution

The fourth proportional to 28,300.80, 42,350.40 and 24,643.20 is: 36,877.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,300.80 : 42,350.40 = 24,643.20 : x
  2. Step 2: Convert to fraction form
    28,300.80/42,350.40 = 24,643.20/x
  3. Step 3: Cross multiply
    28,300.80x = 42,350.40 × 24,643.20
  4. Step 4: Simplify right side
    28,300.80x = 1,043,649,377.28
  5. Step 5: Solve for x
    x = 1,043,649,377.28/28,300.80
  6. Step 6: Final answer
    x = 36,877.03

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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.