Home / 26,666.98-40,002.78-6,945.55

Finding the Fourth Proportional to 26,666.98, 40,002.78 and 6,945.55

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Solution

The fourth proportional to 26,666.98, 40,002.78 and 6,945.55 is: 10,418.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,666.98 : 40,002.78 = 6,945.55 : x
  2. Step 2: Convert to fraction form
    26,666.98/40,002.78 = 6,945.55/x
  3. Step 3: Cross multiply
    26,666.98x = 40,002.78 × 6,945.55
  4. Step 4: Simplify right side
    26,666.98x = 277,841,308.63
  5. Step 5: Solve for x
    x = 277,841,308.63/26,666.98
  6. Step 6: Final answer
    x = 10,418.93

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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.