Home / 27,730.26-38,263.59-15,630.21

Finding the Fourth Proportional to 27,730.26, 38,263.59 and 15,630.21

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Solution

The fourth proportional to 27,730.26, 38,263.59 and 15,630.21 is: 21,567.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,730.26 : 38,263.59 = 15,630.21 : x
  2. Step 2: Convert to fraction form
    27,730.26/38,263.59 = 15,630.21/x
  3. Step 3: Cross multiply
    27,730.26x = 38,263.59 × 15,630.21
  4. Step 4: Simplify right side
    27,730.26x = 598,067,947.05
  5. Step 5: Solve for x
    x = 598,067,947.05/27,730.26
  6. Step 6: Final answer
    x = 21,567.34

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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.