Home / 28,374.30-39,150.54-16,436.93

Finding the Fourth Proportional to 28,374.30, 39,150.54 and 16,436.93

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Solution

The fourth proportional to 28,374.30, 39,150.54 and 16,436.93 is: 22,679.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,374.30 : 39,150.54 = 16,436.93 : x
  2. Step 2: Convert to fraction form
    28,374.30/39,150.54 = 16,436.93/x
  3. Step 3: Cross multiply
    28,374.30x = 39,150.54 × 16,436.93
  4. Step 4: Simplify right side
    28,374.30x = 643,514,489.69
  5. Step 5: Solve for x
    x = 643,514,489.69/28,374.30
  6. Step 6: Final answer
    x = 22,679.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.