Home / 27,596.96-38,080.68-15,657.20

Finding the Fourth Proportional to 27,596.96, 38,080.68 and 15,657.20

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Solution

The fourth proportional to 27,596.96, 38,080.68 and 15,657.20 is: 21,605.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,596.96 : 38,080.68 = 15,657.20 : x
  2. Step 2: Convert to fraction form
    27,596.96/38,080.68 = 15,657.20/x
  3. Step 3: Cross multiply
    27,596.96x = 38,080.68 × 15,657.20
  4. Step 4: Simplify right side
    27,596.96x = 596,236,822.90
  5. Step 5: Solve for x
    x = 596,236,822.90/27,596.96
  6. Step 6: Final answer
    x = 21,605.16

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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.