Home / 27,306.72-40,969.80-9,778.32

Finding the Fourth Proportional to 27,306.72, 40,969.80 and 9,778.32

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Solution

The fourth proportional to 27,306.72, 40,969.80 and 9,778.32 is: 14,670.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,306.72 : 40,969.80 = 9,778.32 : x
  2. Step 2: Convert to fraction form
    27,306.72/40,969.80 = 9,778.32/x
  3. Step 3: Cross multiply
    27,306.72x = 40,969.80 × 9,778.32
  4. Step 4: Simplify right side
    27,306.72x = 400,615,814.74
  5. Step 5: Solve for x
    x = 400,615,814.74/27,306.72
  6. Step 6: Final answer
    x = 14,670.96

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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.