Home / 28,043.18-38,699.00-15,467.93

Finding the Fourth Proportional to 28,043.18, 38,699.00 and 15,467.93

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Solution

The fourth proportional to 28,043.18, 38,699.00 and 15,467.93 is: 21,345.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043.18 : 38,699.00 = 15,467.93 : x
  2. Step 2: Convert to fraction form
    28,043.18/38,699.00 = 15,467.93/x
  3. Step 3: Cross multiply
    28,043.18x = 38,699.00 × 15,467.93
  4. Step 4: Simplify right side
    28,043.18x = 598,593,355.36
  5. Step 5: Solve for x
    x = 598,593,355.36/28,043.18
  6. Step 6: Final answer
    x = 21,345.42

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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.