Home / 27,287.25-40,937.69-9,518.16

Finding the Fourth Proportional to 27,287.25, 40,937.69 and 9,518.16

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Solution

The fourth proportional to 27,287.25, 40,937.69 and 9,518.16 is: 14,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,287.25 : 40,937.69 = 9,518.16 : x
  2. Step 2: Convert to fraction form
    27,287.25/40,937.69 = 9,518.16/x
  3. Step 3: Cross multiply
    27,287.25x = 40,937.69 × 9,518.16
  4. Step 4: Simplify right side
    27,287.25x = 389,651,483.45
  5. Step 5: Solve for x
    x = 389,651,483.45/27,287.25
  6. Step 6: Final answer
    x = 14,279.62

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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.