Home / 27,795.42-38,357.69-15,048.71

Finding the Fourth Proportional to 27,795.42, 38,357.69 and 15,048.71

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Solution

The fourth proportional to 27,795.42, 38,357.69 and 15,048.71 is: 20,767.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,795.42 : 38,357.69 = 15,048.71 : x
  2. Step 2: Convert to fraction form
    27,795.42/38,357.69 = 15,048.71/x
  3. Step 3: Cross multiply
    27,795.42x = 38,357.69 × 15,048.71
  4. Step 4: Simplify right side
    27,795.42x = 577,233,694.81
  5. Step 5: Solve for x
    x = 577,233,694.81/27,795.42
  6. Step 6: Final answer
    x = 20,767.23

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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.