Home / 53,312.36-79,965.29-15,872.54

Finding the Fourth Proportional to 53,312.36, 79,965.29 and 15,872.54

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Solution

The fourth proportional to 53,312.36, 79,965.29 and 15,872.54 is: 23,807.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,312.36 : 79,965.29 = 15,872.54 : x
  2. Step 2: Convert to fraction form
    53,312.36/79,965.29 = 15,872.54/x
  3. Step 3: Cross multiply
    53,312.36x = 79,965.29 × 15,872.54
  4. Step 4: Simplify right side
    53,312.36x = 1,269,251,784.95
  5. Step 5: Solve for x
    x = 1,269,251,784.95/53,312.36
  6. Step 6: Final answer
    x = 23,807.84

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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.