Home / 28,214.44-38,936.40-15,467.50

Finding the Fourth Proportional to 28,214.44, 38,936.40 and 15,467.50

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Solution

The fourth proportional to 28,214.44, 38,936.40 and 15,467.50 is: 21,345.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,214.44 : 38,936.40 = 15,467.50 : x
  2. Step 2: Convert to fraction form
    28,214.44/38,936.40 = 15,467.50/x
  3. Step 3: Cross multiply
    28,214.44x = 38,936.40 × 15,467.50
  4. Step 4: Simplify right side
    28,214.44x = 602,248,767
  5. Step 5: Solve for x
    x = 602,248,767/28,214.44
  6. Step 6: Final answer
    x = 21,345.41

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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.