Home / 28,894.22-39,847.33-22,180.13

Finding the Fourth Proportional to 28,894.22, 39,847.33 and 22,180.13

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Solution

The fourth proportional to 28,894.22, 39,847.33 and 22,180.13 is: 30,588.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,894.22 : 39,847.33 = 22,180.13 : x
  2. Step 2: Convert to fraction form
    28,894.22/39,847.33 = 22,180.13/x
  3. Step 3: Cross multiply
    28,894.22x = 39,847.33 × 22,180.13
  4. Step 4: Simplify right side
    28,894.22x = 883,818,959.55
  5. Step 5: Solve for x
    x = 883,818,959.55/28,894.22
  6. Step 6: Final answer
    x = 30,588.09

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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.