Home / 28,411.14-42,592.08-10,868.66

Finding the Fourth Proportional to 28,411.14, 42,592.08 and 10,868.66

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Solution

The fourth proportional to 28,411.14, 42,592.08 and 10,868.66 is: 16,293.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,411.14 : 42,592.08 = 10,868.66 : x
  2. Step 2: Convert to fraction form
    28,411.14/42,592.08 = 10,868.66/x
  3. Step 3: Cross multiply
    28,411.14x = 42,592.08 × 10,868.66
  4. Step 4: Simplify right side
    28,411.14x = 462,918,836.21
  5. Step 5: Solve for x
    x = 462,918,836.21/28,411.14
  6. Step 6: Final answer
    x = 16,293.57

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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.