Home / 26,886.72-40,338.29-13,748.32

Finding the Fourth Proportional to 26,886.72, 40,338.29 and 13,748.32

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Solution

The fourth proportional to 26,886.72, 40,338.29 and 13,748.32 is: 20,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,886.72 : 40,338.29 = 13,748.32 : x
  2. Step 2: Convert to fraction form
    26,886.72/40,338.29 = 13,748.32/x
  3. Step 3: Cross multiply
    26,886.72x = 40,338.29 × 13,748.32
  4. Step 4: Simplify right side
    26,886.72x = 554,583,650.43
  5. Step 5: Solve for x
    x = 554,583,650.43/26,886.72
  6. Step 6: Final answer
    x = 20,626.68

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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.