Home / 21,938.63-32,875-15,297.44

Finding the Fourth Proportional to 21,938.63, 32,875 and 15,297.44

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Solution

The fourth proportional to 21,938.63, 32,875 and 15,297.44 is: 22,923.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,938.63 : 32,875 = 15,297.44 : x
  2. Step 2: Convert to fraction form
    21,938.63/32,875 = 15,297.44/x
  3. Step 3: Cross multiply
    21,938.63x = 32,875 × 15,297.44
  4. Step 4: Simplify right side
    21,938.63x = 502,903,340
  5. Step 5: Solve for x
    x = 502,903,340/21,938.63
  6. Step 6: Final answer
    x = 22,923.19

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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.