Home / 26,666.15-39,995.10-9,131.94

Finding the Fourth Proportional to 26,666.15, 39,995.10 and 9,131.94

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Solution

The fourth proportional to 26,666.15, 39,995.10 and 9,131.94 is: 13,696.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,666.15 : 39,995.10 = 9,131.94 : x
  2. Step 2: Convert to fraction form
    26,666.15/39,995.10 = 9,131.94/x
  3. Step 3: Cross multiply
    26,666.15x = 39,995.10 × 9,131.94
  4. Step 4: Simplify right side
    26,666.15x = 365,232,853.49
  5. Step 5: Solve for x
    x = 365,232,853.49/26,666.15
  6. Step 6: Final answer
    x = 13,696.50

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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.