Home / 26,217.48-39,337.74-8,689.80

Finding the Fourth Proportional to 26,217.48, 39,337.74 and 8,689.80

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Solution

The fourth proportional to 26,217.48, 39,337.74 and 8,689.80 is: 13,038.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,217.48 : 39,337.74 = 8,689.80 : x
  2. Step 2: Convert to fraction form
    26,217.48/39,337.74 = 8,689.80/x
  3. Step 3: Cross multiply
    26,217.48x = 39,337.74 × 8,689.80
  4. Step 4: Simplify right side
    26,217.48x = 341,837,093.05
  5. Step 5: Solve for x
    x = 341,837,093.05/26,217.48
  6. Step 6: Final answer
    x = 13,038.52

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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.