Home / 27,924.99-38,535.48-15,979.88

Finding the Fourth Proportional to 27,924.99, 38,535.48 and 15,979.88

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Solution

The fourth proportional to 27,924.99, 38,535.48 and 15,979.88 is: 22,051.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,924.99 : 38,535.48 = 15,979.88 : x
  2. Step 2: Convert to fraction form
    27,924.99/38,535.48 = 15,979.88/x
  3. Step 3: Cross multiply
    27,924.99x = 38,535.48 × 15,979.88
  4. Step 4: Simplify right side
    27,924.99x = 615,792,442.48
  5. Step 5: Solve for x
    x = 615,792,442.48/27,924.99
  6. Step 6: Final answer
    x = 22,051.67

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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.