Home / 19,280.18-28,900.57-10,942.58

Finding the Fourth Proportional to 19,280.18, 28,900.57 and 10,942.58

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Solution

The fourth proportional to 19,280.18, 28,900.57 and 10,942.58 is: 16,402.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.18 : 28,900.57 = 10,942.58 : x
  2. Step 2: Convert to fraction form
    19,280.18/28,900.57 = 10,942.58/x
  3. Step 3: Cross multiply
    19,280.18x = 28,900.57 × 10,942.58
  4. Step 4: Simplify right side
    19,280.18x = 316,246,799.27
  5. Step 5: Solve for x
    x = 316,246,799.27/19,280.18
  6. Step 6: Final answer
    x = 16,402.69

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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.