Home / 26,722.20-36,888.40-15,970.84

Finding the Fourth Proportional to 26,722.20, 36,888.40 and 15,970.84

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Solution

The fourth proportional to 26,722.20, 36,888.40 and 15,970.84 is: 22,046.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,722.20 : 36,888.40 = 15,970.84 : x
  2. Step 2: Convert to fraction form
    26,722.20/36,888.40 = 15,970.84/x
  3. Step 3: Cross multiply
    26,722.20x = 36,888.40 × 15,970.84
  4. Step 4: Simplify right side
    26,722.20x = 589,138,734.26
  5. Step 5: Solve for x
    x = 589,138,734.26/26,722.20
  6. Step 6: Final answer
    x = 22,046.79

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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.