Home / 28,672.08-43,013.52-12,876.74

Finding the Fourth Proportional to 28,672.08, 43,013.52 and 12,876.74

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Solution

The fourth proportional to 28,672.08, 43,013.52 and 12,876.74 is: 19,317.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,672.08 : 43,013.52 = 12,876.74 : x
  2. Step 2: Convert to fraction form
    28,672.08/43,013.52 = 12,876.74/x
  3. Step 3: Cross multiply
    28,672.08x = 43,013.52 × 12,876.74
  4. Step 4: Simplify right side
    28,672.08x = 553,873,698.46
  5. Step 5: Solve for x
    x = 553,873,698.46/28,672.08
  6. Step 6: Final answer
    x = 19,317.53

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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.