Home / 26,419.35-39,634.20-9,779.52

Finding the Fourth Proportional to 26,419.35, 39,634.20 and 9,779.52

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Solution

The fourth proportional to 26,419.35, 39,634.20 and 9,779.52 is: 14,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,419.35 : 39,634.20 = 9,779.52 : x
  2. Step 2: Convert to fraction form
    26,419.35/39,634.20 = 9,779.52/x
  3. Step 3: Cross multiply
    26,419.35x = 39,634.20 × 9,779.52
  4. Step 4: Simplify right side
    26,419.35x = 387,603,402.69
  5. Step 5: Solve for x
    x = 387,603,402.69/26,419.35
  6. Step 6: Final answer
    x = 14,671.20

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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.