Home / 27,287.66-40,931.50-7,566.22

Finding the Fourth Proportional to 27,287.66, 40,931.50 and 7,566.22

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Solution

The fourth proportional to 27,287.66, 40,931.50 and 7,566.22 is: 11,349.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,287.66 : 40,931.50 = 7,566.22 : x
  2. Step 2: Convert to fraction form
    27,287.66/40,931.50 = 7,566.22/x
  3. Step 3: Cross multiply
    27,287.66x = 40,931.50 × 7,566.22
  4. Step 4: Simplify right side
    27,287.66x = 309,696,696.10
  5. Step 5: Solve for x
    x = 309,696,696.10/27,287.66
  6. Step 6: Final answer
    x = 11,349.33

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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.