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Finding the Fourth Proportional to 26,375.60, 39,595.80 and 14,538.80

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Solution

The fourth proportional to 26,375.60, 39,595.80 and 14,538.80 is: 21,826.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,375.60 : 39,595.80 = 14,538.80 : x
  2. Step 2: Convert to fraction form
    26,375.60/39,595.80 = 14,538.80/x
  3. Step 3: Cross multiply
    26,375.60x = 39,595.80 × 14,538.80
  4. Step 4: Simplify right side
    26,375.60x = 575,675,417.04
  5. Step 5: Solve for x
    x = 575,675,417.04/26,375.60
  6. Step 6: Final answer
    x = 21,826.06

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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.