Home / 28,525.20-42,787.80-23,276.40

Finding the Fourth Proportional to 28,525.20, 42,787.80 and 23,276.40

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Solution

The fourth proportional to 28,525.20, 42,787.80 and 23,276.40 is: 34,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,525.20 : 42,787.80 = 23,276.40 : x
  2. Step 2: Convert to fraction form
    28,525.20/42,787.80 = 23,276.40/x
  3. Step 3: Cross multiply
    28,525.20x = 42,787.80 × 23,276.40
  4. Step 4: Simplify right side
    28,525.20x = 995,945,947.92
  5. Step 5: Solve for x
    x = 995,945,947.92/28,525.20
  6. Step 6: Final answer
    x = 34,914.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.