Home / 27,640.04-38,142.24-15,064.52

Finding the Fourth Proportional to 27,640.04, 38,142.24 and 15,064.52

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Solution

The fourth proportional to 27,640.04, 38,142.24 and 15,064.52 is: 20,788.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,640.04 : 38,142.24 = 15,064.52 : x
  2. Step 2: Convert to fraction form
    27,640.04/38,142.24 = 15,064.52/x
  3. Step 3: Cross multiply
    27,640.04x = 38,142.24 × 15,064.52
  4. Step 4: Simplify right side
    27,640.04x = 574,594,537.32
  5. Step 5: Solve for x
    x = 574,594,537.32/27,640.04
  6. Step 6: Final answer
    x = 20,788.48

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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.