Home / 27,980.64-38,613.24-16,047.18

Finding the Fourth Proportional to 27,980.64, 38,613.24 and 16,047.18

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Solution

The fourth proportional to 27,980.64, 38,613.24 and 16,047.18 is: 22,145.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,980.64 : 38,613.24 = 16,047.18 : x
  2. Step 2: Convert to fraction form
    27,980.64/38,613.24 = 16,047.18/x
  3. Step 3: Cross multiply
    27,980.64x = 38,613.24 × 16,047.18
  4. Step 4: Simplify right side
    27,980.64x = 619,633,612.66
  5. Step 5: Solve for x
    x = 619,633,612.66/27,980.64
  6. Step 6: Final answer
    x = 22,145.08

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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.