Home / 52,787.16-72,848.16-28,914.84

Finding the Fourth Proportional to 52,787.16, 72,848.16 and 28,914.84

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Solution

The fourth proportional to 52,787.16, 72,848.16 and 28,914.84 is: 39,903.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,787.16 : 72,848.16 = 28,914.84 : x
  2. Step 2: Convert to fraction form
    52,787.16/72,848.16 = 28,914.84/x
  3. Step 3: Cross multiply
    52,787.16x = 72,848.16 × 28,914.84
  4. Step 4: Simplify right side
    52,787.16x = 2,106,392,890.69
  5. Step 5: Solve for x
    x = 2,106,392,890.69/52,787.16
  6. Step 6: Final answer
    x = 39,903.51

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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.