Home / 26,289.83-39,441.02-8,759.81

Finding the Fourth Proportional to 26,289.83, 39,441.02 and 8,759.81

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Solution

The fourth proportional to 26,289.83, 39,441.02 and 8,759.81 is: 13,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,289.83 : 39,441.02 = 8,759.81 : x
  2. Step 2: Convert to fraction form
    26,289.83/39,441.02 = 8,759.81/x
  3. Step 3: Cross multiply
    26,289.83x = 39,441.02 × 8,759.81
  4. Step 4: Simplify right side
    26,289.83x = 345,495,600.40
  5. Step 5: Solve for x
    x = 345,495,600.40/26,289.83
  6. Step 6: Final answer
    x = 13,141.80

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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.