Home / 52,787.18-72,843.71-28,913.96

Finding the Fourth Proportional to 52,787.18, 72,843.71 and 28,913.96

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Solution

The fourth proportional to 52,787.18, 72,843.71 and 28,913.96 is: 39,899.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,787.18 : 72,843.71 = 28,913.96 : x
  2. Step 2: Convert to fraction form
    52,787.18/72,843.71 = 28,913.96/x
  3. Step 3: Cross multiply
    52,787.18x = 72,843.71 × 28,913.96
  4. Step 4: Simplify right side
    52,787.18x = 2,106,200,117.19
  5. Step 5: Solve for x
    x = 2,106,200,117.19/52,787.18
  6. Step 6: Final answer
    x = 39,899.84

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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.