Home / 27,925.99-38,536.86-15,980.88

Finding the Fourth Proportional to 27,925.99, 38,536.86 and 15,980.88

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Solution

The fourth proportional to 27,925.99, 38,536.86 and 15,980.88 is: 22,053.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,925.99 : 38,536.86 = 15,980.88 : x
  2. Step 2: Convert to fraction form
    27,925.99/38,536.86 = 15,980.88/x
  3. Step 3: Cross multiply
    27,925.99x = 38,536.86 × 15,980.88
  4. Step 4: Simplify right side
    27,925.99x = 615,852,935.24
  5. Step 5: Solve for x
    x = 615,852,935.24/27,925.99
  6. Step 6: Final answer
    x = 22,053.04

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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.