Home / 21,348.42-32,038.36-10,261.50

Finding the Fourth Proportional to 21,348.42, 32,038.36 and 10,261.50

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Solution

The fourth proportional to 21,348.42, 32,038.36 and 10,261.50 is: 15,399.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,348.42 : 32,038.36 = 10,261.50 : x
  2. Step 2: Convert to fraction form
    21,348.42/32,038.36 = 10,261.50/x
  3. Step 3: Cross multiply
    21,348.42x = 32,038.36 × 10,261.50
  4. Step 4: Simplify right side
    21,348.42x = 328,761,631.14
  5. Step 5: Solve for x
    x = 328,761,631.14/21,348.42
  6. Step 6: Final answer
    x = 15,399.81

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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.