Home / 27,907.96-38,512.94-15,332.72

Finding the Fourth Proportional to 27,907.96, 38,512.94 and 15,332.72

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Solution

The fourth proportional to 27,907.96, 38,512.94 and 15,332.72 is: 21,159.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,907.96 : 38,512.94 = 15,332.72 : x
  2. Step 2: Convert to fraction form
    27,907.96/38,512.94 = 15,332.72/x
  3. Step 3: Cross multiply
    27,907.96x = 38,512.94 × 15,332.72
  4. Step 4: Simplify right side
    27,907.96x = 590,508,125.40
  5. Step 5: Solve for x
    x = 590,508,125.40/27,907.96
  6. Step 6: Final answer
    x = 21,159.13

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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.