Home / 52,838.19-72,916.36-28,965.87

Finding the Fourth Proportional to 52,838.19, 72,916.36 and 28,965.87

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Solution

The fourth proportional to 52,838.19, 72,916.36 and 28,965.87 is: 39,972.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,838.19 : 72,916.36 = 28,965.87 : x
  2. Step 2: Convert to fraction form
    52,838.19/72,916.36 = 28,965.87/x
  3. Step 3: Cross multiply
    52,838.19x = 72,916.36 × 28,965.87
  4. Step 4: Simplify right side
    52,838.19x = 2,112,085,804.63
  5. Step 5: Solve for x
    x = 2,112,085,804.63/52,838.19
  6. Step 6: Final answer
    x = 39,972.71

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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.