Home / 27,763.16-38,308.62-15,826.72

Finding the Fourth Proportional to 27,763.16, 38,308.62 and 15,826.72

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Solution

The fourth proportional to 27,763.16, 38,308.62 and 15,826.72 is: 21,838.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,763.16 : 38,308.62 = 15,826.72 : x
  2. Step 2: Convert to fraction form
    27,763.16/38,308.62 = 15,826.72/x
  3. Step 3: Cross multiply
    27,763.16x = 38,308.62 × 15,826.72
  4. Step 4: Simplify right side
    27,763.16x = 606,299,802.33
  5. Step 5: Solve for x
    x = 606,299,802.33/27,763.16
  6. Step 6: Final answer
    x = 21,838.29

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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.