Home / 27,608.63-38,097.50-15,672.47

Finding the Fourth Proportional to 27,608.63, 38,097.50 and 15,672.47

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Solution

The fourth proportional to 27,608.63, 38,097.50 and 15,672.47 is: 21,626.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,608.63 : 38,097.50 = 15,672.47 : x
  2. Step 2: Convert to fraction form
    27,608.63/38,097.50 = 15,672.47/x
  3. Step 3: Cross multiply
    27,608.63x = 38,097.50 × 15,672.47
  4. Step 4: Simplify right side
    27,608.63x = 597,081,656.98
  5. Step 5: Solve for x
    x = 597,081,656.98/27,608.63
  6. Step 6: Final answer
    x = 21,626.64

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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.