Home / 26,387.60-39,563.52-13,894.40

Finding the Fourth Proportional to 26,387.60, 39,563.52 and 13,894.40

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Solution

The fourth proportional to 26,387.60, 39,563.52 and 13,894.40 is: 20,832.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,387.60 : 39,563.52 = 13,894.40 : x
  2. Step 2: Convert to fraction form
    26,387.60/39,563.52 = 13,894.40/x
  3. Step 3: Cross multiply
    26,387.60x = 39,563.52 × 13,894.40
  4. Step 4: Simplify right side
    26,387.60x = 549,711,372.29
  5. Step 5: Solve for x
    x = 549,711,372.29/26,387.60
  6. Step 6: Final answer
    x = 20,832.19

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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.