Home / 26,563.20-39,869.40-13,424.76

Finding the Fourth Proportional to 26,563.20, 39,869.40 and 13,424.76

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Solution

The fourth proportional to 26,563.20, 39,869.40 and 13,424.76 is: 20,149.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,563.20 : 39,869.40 = 13,424.76 : x
  2. Step 2: Convert to fraction form
    26,563.20/39,869.40 = 13,424.76/x
  3. Step 3: Cross multiply
    26,563.20x = 39,869.40 × 13,424.76
  4. Step 4: Simplify right side
    26,563.20x = 535,237,126.34
  5. Step 5: Solve for x
    x = 535,237,126.34/26,563.20
  6. Step 6: Final answer
    x = 20,149.57

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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.