Home / 52,787.03-72,846.34-28,913.63

Finding the Fourth Proportional to 52,787.03, 72,846.34 and 28,913.63

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Solution

The fourth proportional to 52,787.03, 72,846.34 and 28,913.63 is: 39,900.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,787.03 : 72,846.34 = 28,913.63 : x
  2. Step 2: Convert to fraction form
    52,787.03/72,846.34 = 28,913.63/x
  3. Step 3: Cross multiply
    52,787.03x = 72,846.34 × 28,913.63
  4. Step 4: Simplify right side
    52,787.03x = 2,106,251,685.10
  5. Step 5: Solve for x
    x = 2,106,251,685.10/52,787.03
  6. Step 6: Final answer
    x = 39,900.94

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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.