Home / 53,215.32-79,822.44-15,775.68

Finding the Fourth Proportional to 53,215.32, 79,822.44 and 15,775.68

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Solution

The fourth proportional to 53,215.32, 79,822.44 and 15,775.68 is: 23,663.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,215.32 : 79,822.44 = 15,775.68 : x
  2. Step 2: Convert to fraction form
    53,215.32/79,822.44 = 15,775.68/x
  3. Step 3: Cross multiply
    53,215.32x = 79,822.44 × 15,775.68
  4. Step 4: Simplify right side
    53,215.32x = 1,259,253,270.26
  5. Step 5: Solve for x
    x = 1,259,253,270.26/53,215.32
  6. Step 6: Final answer
    x = 23,663.36

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.