Home / 26,588.76-39,870.18-15,189.36

Finding the Fourth Proportional to 26,588.76, 39,870.18 and 15,189.36

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Solution

The fourth proportional to 26,588.76, 39,870.18 and 15,189.36 is: 22,776.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,588.76 : 39,870.18 = 15,189.36 : x
  2. Step 2: Convert to fraction form
    26,588.76/39,870.18 = 15,189.36/x
  3. Step 3: Cross multiply
    26,588.76x = 39,870.18 × 15,189.36
  4. Step 4: Simplify right side
    26,588.76x = 605,602,517.28
  5. Step 5: Solve for x
    x = 605,602,517.28/26,588.76
  6. Step 6: Final answer
    x = 22,776.64

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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.