Home / 52,787.19-72,847.26-28,912.34

Finding the Fourth Proportional to 52,787.19, 72,847.26 and 28,912.34

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Solution

The fourth proportional to 52,787.19, 72,847.26 and 28,912.34 is: 39,899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,787.19 : 72,847.26 = 28,912.34 : x
  2. Step 2: Convert to fraction form
    52,787.19/72,847.26 = 28,912.34/x
  3. Step 3: Cross multiply
    52,787.19x = 72,847.26 × 28,912.34
  4. Step 4: Simplify right side
    52,787.19x = 2,106,184,384.95
  5. Step 5: Solve for x
    x = 2,106,184,384.95/52,787.19
  6. Step 6: Final answer
    x = 39,899.54

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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.