Home / 53,181.28-79,794.96-28,528.48

Finding the Fourth Proportional to 53,181.28, 79,794.96 and 28,528.48

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Solution

The fourth proportional to 53,181.28, 79,794.96 and 28,528.48 is: 42,805.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,181.28 : 79,794.96 = 28,528.48 : x
  2. Step 2: Convert to fraction form
    53,181.28/79,794.96 = 28,528.48/x
  3. Step 3: Cross multiply
    53,181.28x = 79,794.96 × 28,528.48
  4. Step 4: Simplify right side
    53,181.28x = 2,276,428,920.46
  5. Step 5: Solve for x
    x = 2,276,428,920.46/53,181.28
  6. Step 6: Final answer
    x = 42,805.08

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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.