Home / 26,929.02-40,390.67-7,209.57

Finding the Fourth Proportional to 26,929.02, 40,390.67 and 7,209.57

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Solution

The fourth proportional to 26,929.02, 40,390.67 and 7,209.57 is: 10,813.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929.02 : 40,390.67 = 7,209.57 : x
  2. Step 2: Convert to fraction form
    26,929.02/40,390.67 = 7,209.57/x
  3. Step 3: Cross multiply
    26,929.02x = 40,390.67 × 7,209.57
  4. Step 4: Simplify right side
    26,929.02x = 291,199,326.66
  5. Step 5: Solve for x
    x = 291,199,326.66/26,929.02
  6. Step 6: Final answer
    x = 10,813.59

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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.