Home / 28,305.07-42,441.19-11,646.27

Finding the Fourth Proportional to 28,305.07, 42,441.19 and 11,646.27

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Solution

The fourth proportional to 28,305.07, 42,441.19 and 11,646.27 is: 17,462.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,305.07 : 42,441.19 = 11,646.27 : x
  2. Step 2: Convert to fraction form
    28,305.07/42,441.19 = 11,646.27/x
  3. Step 3: Cross multiply
    28,305.07x = 42,441.19 × 11,646.27
  4. Step 4: Simplify right side
    28,305.07x = 494,281,528.75
  5. Step 5: Solve for x
    x = 494,281,528.75/28,305.07
  6. Step 6: Final answer
    x = 17,462.65

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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.