Home / 53,165.69-79,764.13-15,726.75

Finding the Fourth Proportional to 53,165.69, 79,764.13 and 15,726.75

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Solution

The fourth proportional to 53,165.69, 79,764.13 and 15,726.75 is: 23,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,165.69 : 79,764.13 = 15,726.75 : x
  2. Step 2: Convert to fraction form
    53,165.69/79,764.13 = 15,726.75/x
  3. Step 3: Cross multiply
    53,165.69x = 79,764.13 × 15,726.75
  4. Step 4: Simplify right side
    53,165.69x = 1,254,430,531.48
  5. Step 5: Solve for x
    x = 1,254,430,531.48/53,165.69
  6. Step 6: Final answer
    x = 23,594.74

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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.