Home / 27,873.04-38,464.76-15,298.08

Finding the Fourth Proportional to 27,873.04, 38,464.76 and 15,298.08

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Solution

The fourth proportional to 27,873.04, 38,464.76 and 15,298.08 is: 21,111.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,873.04 : 38,464.76 = 15,298.08 : x
  2. Step 2: Convert to fraction form
    27,873.04/38,464.76 = 15,298.08/x
  3. Step 3: Cross multiply
    27,873.04x = 38,464.76 × 15,298.08
  4. Step 4: Simplify right side
    27,873.04x = 588,436,975.66
  5. Step 5: Solve for x
    x = 588,436,975.66/27,873.04
  6. Step 6: Final answer
    x = 21,111.33

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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.