Home / 28,938.50-43,407.70-19,005.95

Finding the Fourth Proportional to 28,938.50, 43,407.70 and 19,005.95

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Solution

The fourth proportional to 28,938.50, 43,407.70 and 19,005.95 is: 28,508.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,938.50 : 43,407.70 = 19,005.95 : x
  2. Step 2: Convert to fraction form
    28,938.50/43,407.70 = 19,005.95/x
  3. Step 3: Cross multiply
    28,938.50x = 43,407.70 × 19,005.95
  4. Step 4: Simplify right side
    28,938.50x = 825,004,575.82
  5. Step 5: Solve for x
    x = 825,004,575.82/28,938.50
  6. Step 6: Final answer
    x = 28,508.89

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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.