Home / 52,693.29-72,717.80-28,821.51

Finding the Fourth Proportional to 52,693.29, 72,717.80 and 28,821.51

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Solution

The fourth proportional to 52,693.29, 72,717.80 and 28,821.51 is: 39,774.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,693.29 : 72,717.80 = 28,821.51 : x
  2. Step 2: Convert to fraction form
    52,693.29/72,717.80 = 28,821.51/x
  3. Step 3: Cross multiply
    52,693.29x = 72,717.80 × 28,821.51
  4. Step 4: Simplify right side
    52,693.29x = 2,095,836,655.77
  5. Step 5: Solve for x
    x = 2,095,836,655.77/52,693.29
  6. Step 6: Final answer
    x = 39,774.26

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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.