Home / 21,404.84-32,058.30-18,012.20

Finding the Fourth Proportional to 21,404.84, 32,058.30 and 18,012.20

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Solution

The fourth proportional to 21,404.84, 32,058.30 and 18,012.20 is: 26,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,404.84 : 32,058.30 = 18,012.20 : x
  2. Step 2: Convert to fraction form
    21,404.84/32,058.30 = 18,012.20/x
  3. Step 3: Cross multiply
    21,404.84x = 32,058.30 × 18,012.20
  4. Step 4: Simplify right side
    21,404.84x = 577,440,511.26
  5. Step 5: Solve for x
    x = 577,440,511.26/21,404.84
  6. Step 6: Final answer
    x = 26,977.10

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1.5x scale

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.