Home / 28,673.08-43,015.02-12,877.74

Finding the Fourth Proportional to 28,673.08, 43,015.02 and 12,877.74

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Solution

The fourth proportional to 28,673.08, 43,015.02 and 12,877.74 is: 19,319.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,673.08 : 43,015.02 = 12,877.74 : x
  2. Step 2: Convert to fraction form
    28,673.08/43,015.02 = 12,877.74/x
  3. Step 3: Cross multiply
    28,673.08x = 43,015.02 × 12,877.74
  4. Step 4: Simplify right side
    28,673.08x = 553,936,243.65
  5. Step 5: Solve for x
    x = 553,936,243.65/28,673.08
  6. Step 6: Final answer
    x = 19,319.04

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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.