Home / 26,885.79-40,273.20-15,758.69

Finding the Fourth Proportional to 26,885.79, 40,273.20 and 15,758.69

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Solution

The fourth proportional to 26,885.79, 40,273.20 and 15,758.69 is: 23,605.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,885.79 : 40,273.20 = 15,758.69 : x
  2. Step 2: Convert to fraction form
    26,885.79/40,273.20 = 15,758.69/x
  3. Step 3: Cross multiply
    26,885.79x = 40,273.20 × 15,758.69
  4. Step 4: Simplify right side
    26,885.79x = 634,652,672.74
  5. Step 5: Solve for x
    x = 634,652,672.74/26,885.79
  6. Step 6: Final answer
    x = 23,605.51

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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.