Home / 26,447.40-39,644.82-13,259.52

Finding the Fourth Proportional to 26,447.40, 39,644.82 and 13,259.52

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Solution

The fourth proportional to 26,447.40, 39,644.82 and 13,259.52 is: 19,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,447.40 : 39,644.82 = 13,259.52 : x
  2. Step 2: Convert to fraction form
    26,447.40/39,644.82 = 13,259.52/x
  3. Step 3: Cross multiply
    26,447.40x = 39,644.82 × 13,259.52
  4. Step 4: Simplify right side
    26,447.40x = 525,671,283.69
  5. Step 5: Solve for x
    x = 525,671,283.69/26,447.40
  6. Step 6: Final answer
    x = 19,876.10

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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.