Home / 28,542.48-42,792.30-8,809.44

Finding the Fourth Proportional to 28,542.48, 42,792.30 and 8,809.44

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Solution

The fourth proportional to 28,542.48, 42,792.30 and 8,809.44 is: 13,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542.48 : 42,792.30 = 8,809.44 : x
  2. Step 2: Convert to fraction form
    28,542.48/42,792.30 = 8,809.44/x
  3. Step 3: Cross multiply
    28,542.48x = 42,792.30 × 8,809.44
  4. Step 4: Simplify right side
    28,542.48x = 376,976,199.31
  5. Step 5: Solve for x
    x = 376,976,199.31/28,542.48
  6. Step 6: Final answer
    x = 13,207.55

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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.