Home / 28,543.48-42,793.80-8,810.44

Finding the Fourth Proportional to 28,543.48, 42,793.80 and 8,810.44

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Solution

The fourth proportional to 28,543.48, 42,793.80 and 8,810.44 is: 13,209.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,543.48 : 42,793.80 = 8,810.44 : x
  2. Step 2: Convert to fraction form
    28,543.48/42,793.80 = 8,810.44/x
  3. Step 3: Cross multiply
    28,543.48x = 42,793.80 × 8,810.44
  4. Step 4: Simplify right side
    28,543.48x = 377,032,207.27
  5. Step 5: Solve for x
    x = 377,032,207.27/28,543.48
  6. Step 6: Final answer
    x = 13,209.05

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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.