Home / 52,787.32-72,846.51-28,914.85

Finding the Fourth Proportional to 52,787.32, 72,846.51 and 28,914.85

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Solution

The fourth proportional to 52,787.32, 72,846.51 and 28,914.85 is: 39,902.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,787.32 : 72,846.51 = 28,914.85 : x
  2. Step 2: Convert to fraction form
    52,787.32/72,846.51 = 28,914.85/x
  3. Step 3: Cross multiply
    52,787.32x = 72,846.51 × 28,914.85
  4. Step 4: Simplify right side
    52,787.32x = 2,106,345,909.67
  5. Step 5: Solve for x
    x = 2,106,345,909.67/52,787.32
  6. Step 6: Final answer
    x = 39,902.50

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1.5x scale

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.