Home / 26,159.36-39,247.20-8,641.49

Finding the Fourth Proportional to 26,159.36, 39,247.20 and 8,641.49

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Solution

The fourth proportional to 26,159.36, 39,247.20 and 8,641.49 is: 12,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,159.36 : 39,247.20 = 8,641.49 : x
  2. Step 2: Convert to fraction form
    26,159.36/39,247.20 = 8,641.49/x
  3. Step 3: Cross multiply
    26,159.36x = 39,247.20 × 8,641.49
  4. Step 4: Simplify right side
    26,159.36x = 339,154,090.09
  5. Step 5: Solve for x
    x = 339,154,090.09/26,159.36
  6. Step 6: Final answer
    x = 12,964.93

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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.