Home / 28,673.44-43,020.48-12,877.24

Finding the Fourth Proportional to 28,673.44, 43,020.48 and 12,877.24

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Solution

The fourth proportional to 28,673.44, 43,020.48 and 12,877.24 is: 19,320.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,673.44 : 43,020.48 = 12,877.24 : x
  2. Step 2: Convert to fraction form
    28,673.44/43,020.48 = 12,877.24/x
  3. Step 3: Cross multiply
    28,673.44x = 43,020.48 × 12,877.24
  4. Step 4: Simplify right side
    28,673.44x = 553,985,045.88
  5. Step 5: Solve for x
    x = 553,985,045.88/28,673.44
  6. Step 6: Final answer
    x = 19,320.49

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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.