Home / 26,228.48-39,350.02-11,438.70

Finding the Fourth Proportional to 26,228.48, 39,350.02 and 11,438.70

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Solution

The fourth proportional to 26,228.48, 39,350.02 and 11,438.70 is: 17,161.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,228.48 : 39,350.02 = 11,438.70 : x
  2. Step 2: Convert to fraction form
    26,228.48/39,350.02 = 11,438.70/x
  3. Step 3: Cross multiply
    26,228.48x = 39,350.02 × 11,438.70
  4. Step 4: Simplify right side
    26,228.48x = 450,113,073.77
  5. Step 5: Solve for x
    x = 450,113,073.77/26,228.48
  6. Step 6: Final answer
    x = 17,161.23

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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.