Home / 28,043.34-38,698.74-15,468.09

Finding the Fourth Proportional to 28,043.34, 38,698.74 and 15,468.09

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Solution

The fourth proportional to 28,043.34, 38,698.74 and 15,468.09 is: 21,345.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043.34 : 38,698.74 = 15,468.09 : x
  2. Step 2: Convert to fraction form
    28,043.34/38,698.74 = 15,468.09/x
  3. Step 3: Cross multiply
    28,043.34x = 38,698.74 × 15,468.09
  4. Step 4: Simplify right side
    28,043.34x = 598,595,593.21
  5. Step 5: Solve for x
    x = 598,595,593.21/28,043.34
  6. Step 6: Final answer
    x = 21,345.37

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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.