Home / 21,475.35-32,197.43-14,437.89

Finding the Fourth Proportional to 21,475.35, 32,197.43 and 14,437.89

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Solution

The fourth proportional to 21,475.35, 32,197.43 and 14,437.89 is: 21,646.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,475.35 : 32,197.43 = 14,437.89 : x
  2. Step 2: Convert to fraction form
    21,475.35/32,197.43 = 14,437.89/x
  3. Step 3: Cross multiply
    21,475.35x = 32,197.43 × 14,437.89
  4. Step 4: Simplify right side
    21,475.35x = 464,862,988.72
  5. Step 5: Solve for x
    x = 464,862,988.72/21,475.35
  6. Step 6: Final answer
    x = 21,646.35

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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.