Home / 28,032.14-42,055.14-8,310.70

Finding the Fourth Proportional to 28,032.14, 42,055.14 and 8,310.70

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Solution

The fourth proportional to 28,032.14, 42,055.14 and 8,310.70 is: 12,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032.14 : 42,055.14 = 8,310.70 : x
  2. Step 2: Convert to fraction form
    28,032.14/42,055.14 = 8,310.70/x
  3. Step 3: Cross multiply
    28,032.14x = 42,055.14 × 8,310.70
  4. Step 4: Simplify right side
    28,032.14x = 349,507,677.30
  5. Step 5: Solve for x
    x = 349,507,677.30/28,032.14
  6. Step 6: Final answer
    x = 12,468.10

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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.