Home / 28,792.50-39,746.97-20,301.54

Finding the Fourth Proportional to 28,792.50, 39,746.97 and 20,301.54

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Solution

The fourth proportional to 28,792.50, 39,746.97 and 20,301.54 is: 28,025.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,792.50 : 39,746.97 = 20,301.54 : x
  2. Step 2: Convert to fraction form
    28,792.50/39,746.97 = 20,301.54/x
  3. Step 3: Cross multiply
    28,792.50x = 39,746.97 × 20,301.54
  4. Step 4: Simplify right side
    28,792.50x = 806,924,701.33
  5. Step 5: Solve for x
    x = 806,924,701.33/28,792.50
  6. Step 6: Final answer
    x = 28,025.52

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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.