Home / 28,417.23-42,623.42-14,371.83

Finding the Fourth Proportional to 28,417.23, 42,623.42 and 14,371.83

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Solution

The fourth proportional to 28,417.23, 42,623.42 and 14,371.83 is: 21,556.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,417.23 : 42,623.42 = 14,371.83 : x
  2. Step 2: Convert to fraction form
    28,417.23/42,623.42 = 14,371.83/x
  3. Step 3: Cross multiply
    28,417.23x = 42,623.42 × 14,371.83
  4. Step 4: Simplify right side
    28,417.23x = 612,576,474.40
  5. Step 5: Solve for x
    x = 612,576,474.40/28,417.23
  6. Step 6: Final answer
    x = 21,556.52

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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.