Home / 27,767.14-38,319.69-15,830.17

Finding the Fourth Proportional to 27,767.14, 38,319.69 and 15,830.17

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Solution

The fourth proportional to 27,767.14, 38,319.69 and 15,830.17 is: 21,846.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,767.14 : 38,319.69 = 15,830.17 : x
  2. Step 2: Convert to fraction form
    27,767.14/38,319.69 = 15,830.17/x
  3. Step 3: Cross multiply
    27,767.14x = 38,319.69 × 15,830.17
  4. Step 4: Simplify right side
    27,767.14x = 606,607,207.05
  5. Step 5: Solve for x
    x = 606,607,207.05/27,767.14
  6. Step 6: Final answer
    x = 21,846.23

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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.