Home / 26,528.88-39,804.57-12,488.60

Finding the Fourth Proportional to 26,528.88, 39,804.57 and 12,488.60

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Solution

The fourth proportional to 26,528.88, 39,804.57 and 12,488.60 is: 18,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,528.88 : 39,804.57 = 12,488.60 : x
  2. Step 2: Convert to fraction form
    26,528.88/39,804.57 = 12,488.60/x
  3. Step 3: Cross multiply
    26,528.88x = 39,804.57 × 12,488.60
  4. Step 4: Simplify right side
    26,528.88x = 497,103,352.90
  5. Step 5: Solve for x
    x = 497,103,352.90/26,528.88
  6. Step 6: Final answer
    x = 18,738.20

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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.