Home / 27,010.60-40,386.30-20,012.20

Finding the Fourth Proportional to 27,010.60, 40,386.30 and 20,012.20

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Solution

The fourth proportional to 27,010.60, 40,386.30 and 20,012.20 is: 29,922.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,010.60 : 40,386.30 = 20,012.20 : x
  2. Step 2: Convert to fraction form
    27,010.60/40,386.30 = 20,012.20/x
  3. Step 3: Cross multiply
    27,010.60x = 40,386.30 × 20,012.20
  4. Step 4: Simplify right side
    27,010.60x = 808,218,712.86
  5. Step 5: Solve for x
    x = 808,218,712.86/27,010.60
  6. Step 6: Final answer
    x = 29,922.28

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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.