Home / 52,772.19-72,822.29-28,899.15

Finding the Fourth Proportional to 52,772.19, 72,822.29 and 28,899.15

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Solution

The fourth proportional to 52,772.19, 72,822.29 and 28,899.15 is: 39,879.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,772.19 : 72,822.29 = 28,899.15 : x
  2. Step 2: Convert to fraction form
    52,772.19/72,822.29 = 28,899.15/x
  3. Step 3: Cross multiply
    52,772.19x = 72,822.29 × 28,899.15
  4. Step 4: Simplify right side
    52,772.19x = 2,104,502,137.56
  5. Step 5: Solve for x
    x = 2,104,502,137.56/52,772.19
  6. Step 6: Final answer
    x = 39,879.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.