Home / 28,056.87-42,089.76-10,528.02

Finding the Fourth Proportional to 28,056.87, 42,089.76 and 10,528.02

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Solution

The fourth proportional to 28,056.87, 42,089.76 and 10,528.02 is: 15,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,056.87 : 42,089.76 = 10,528.02 : x
  2. Step 2: Convert to fraction form
    28,056.87/42,089.76 = 10,528.02/x
  3. Step 3: Cross multiply
    28,056.87x = 42,089.76 × 10,528.02
  4. Step 4: Simplify right side
    28,056.87x = 443,121,835.08
  5. Step 5: Solve for x
    x = 443,121,835.08/28,056.87
  6. Step 6: Final answer
    x = 15,793.70

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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.