Home / 26,348.48-39,538.31-9,720.20

Finding the Fourth Proportional to 26,348.48, 39,538.31 and 9,720.20

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Solution

The fourth proportional to 26,348.48, 39,538.31 and 9,720.20 is: 14,586.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,348.48 : 39,538.31 = 9,720.20 : x
  2. Step 2: Convert to fraction form
    26,348.48/39,538.31 = 9,720.20/x
  3. Step 3: Cross multiply
    26,348.48x = 39,538.31 × 9,720.20
  4. Step 4: Simplify right side
    26,348.48x = 384,320,280.86
  5. Step 5: Solve for x
    x = 384,320,280.86/26,348.48
  6. Step 6: Final answer
    x = 14,586.05

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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.