Home / 28,268.07-42,403.59-8,546.13

Finding the Fourth Proportional to 28,268.07, 42,403.59 and 8,546.13

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Solution

The fourth proportional to 28,268.07, 42,403.59 and 8,546.13 is: 12,819.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,268.07 : 42,403.59 = 8,546.13 : x
  2. Step 2: Convert to fraction form
    28,268.07/42,403.59 = 8,546.13/x
  3. Step 3: Cross multiply
    28,268.07x = 42,403.59 × 8,546.13
  4. Step 4: Simplify right side
    28,268.07x = 362,386,592.61
  5. Step 5: Solve for x
    x = 362,386,592.61/28,268.07
  6. Step 6: Final answer
    x = 12,819.64

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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.