Home / 26,199.09-39,475.15-21,621.62

Finding the Fourth Proportional to 26,199.09, 39,475.15 and 21,621.62

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Solution

The fourth proportional to 26,199.09, 39,475.15 and 21,621.62 is: 32,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,199.09 : 39,475.15 = 21,621.62 : x
  2. Step 2: Convert to fraction form
    26,199.09/39,475.15 = 21,621.62/x
  3. Step 3: Cross multiply
    26,199.09x = 39,475.15 × 21,621.62
  4. Step 4: Simplify right side
    26,199.09x = 853,516,840.77
  5. Step 5: Solve for x
    x = 853,516,840.77/26,199.09
  6. Step 6: Final answer
    x = 32,578.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.