Home / 27,980.04-38,480.13-22,247.37

Finding the Fourth Proportional to 27,980.04, 38,480.13 and 22,247.37

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Solution

The fourth proportional to 27,980.04, 38,480.13 and 22,247.37 is: 30,596.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,980.04 : 38,480.13 = 22,247.37 : x
  2. Step 2: Convert to fraction form
    27,980.04/38,480.13 = 22,247.37/x
  3. Step 3: Cross multiply
    27,980.04x = 38,480.13 × 22,247.37
  4. Step 4: Simplify right side
    27,980.04x = 856,081,689.76
  5. Step 5: Solve for x
    x = 856,081,689.76/27,980.04
  6. Step 6: Final answer
    x = 30,596.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.