Home / 27,821.52-38,394.27-15,247.08

Finding the Fourth Proportional to 27,821.52, 38,394.27 and 15,247.08

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Solution

The fourth proportional to 27,821.52, 38,394.27 and 15,247.08 is: 21,041.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,821.52 : 38,394.27 = 15,247.08 : x
  2. Step 2: Convert to fraction form
    27,821.52/38,394.27 = 15,247.08/x
  3. Step 3: Cross multiply
    27,821.52x = 38,394.27 × 15,247.08
  4. Step 4: Simplify right side
    27,821.52x = 585,400,506.23
  5. Step 5: Solve for x
    x = 585,400,506.23/27,821.52
  6. Step 6: Final answer
    x = 21,041.28

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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.