Home / 27,581.16-38,075.22-16,979.88

Finding the Fourth Proportional to 27,581.16, 38,075.22 and 16,979.88

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Solution

The fourth proportional to 27,581.16, 38,075.22 and 16,979.88 is: 23,440.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,581.16 : 38,075.22 = 16,979.88 : x
  2. Step 2: Convert to fraction form
    27,581.16/38,075.22 = 16,979.88/x
  3. Step 3: Cross multiply
    27,581.16x = 38,075.22 × 16,979.88
  4. Step 4: Simplify right side
    27,581.16x = 646,512,666.57
  5. Step 5: Solve for x
    x = 646,512,666.57/27,581.16
  6. Step 6: Final answer
    x = 23,440.37

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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.