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Finding the Fourth Proportional to 52,798.86, 79,205.99 and 15,354.08

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Solution

The fourth proportional to 52,798.86, 79,205.99 and 15,354.08 is: 23,033.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,798.86 : 79,205.99 = 15,354.08 : x
  2. Step 2: Convert to fraction form
    52,798.86/79,205.99 = 15,354.08/x
  3. Step 3: Cross multiply
    52,798.86x = 79,205.99 × 15,354.08
  4. Step 4: Simplify right side
    52,798.86x = 1,216,134,749.29
  5. Step 5: Solve for x
    x = 1,216,134,749.29/52,798.86
  6. Step 6: Final answer
    x = 23,033.35

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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.