Home / 26,438.60-39,605.02-15,902.80

Finding the Fourth Proportional to 26,438.60, 39,605.02 and 15,902.80

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Solution

The fourth proportional to 26,438.60, 39,605.02 and 15,902.80 is: 23,822.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.60 : 39,605.02 = 15,902.80 : x
  2. Step 2: Convert to fraction form
    26,438.60/39,605.02 = 15,902.80/x
  3. Step 3: Cross multiply
    26,438.60x = 39,605.02 × 15,902.80
  4. Step 4: Simplify right side
    26,438.60x = 629,830,434.52
  5. Step 5: Solve for x
    x = 629,830,434.52/26,438.60
  6. Step 6: Final answer
    x = 23,822.39

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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.