Home / 28,877.07-43,316.78-9,155.19

Finding the Fourth Proportional to 28,877.07, 43,316.78 and 9,155.19

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Solution

The fourth proportional to 28,877.07, 43,316.78 and 9,155.19 is: 13,733.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877.07 : 43,316.78 = 9,155.19 : x
  2. Step 2: Convert to fraction form
    28,877.07/43,316.78 = 9,155.19/x
  3. Step 3: Cross multiply
    28,877.07x = 43,316.78 × 9,155.19
  4. Step 4: Simplify right side
    28,877.07x = 396,573,305.31
  5. Step 5: Solve for x
    x = 396,573,305.31/28,877.07
  6. Step 6: Final answer
    x = 13,733.16

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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.