Home / 21,767.90-32,695.56-19,023.21

Finding the Fourth Proportional to 21,767.90, 32,695.56 and 19,023.21

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Solution

The fourth proportional to 21,767.90, 32,695.56 and 19,023.21 is: 28,573.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,767.90 : 32,695.56 = 19,023.21 : x
  2. Step 2: Convert to fraction form
    21,767.90/32,695.56 = 19,023.21/x
  3. Step 3: Cross multiply
    21,767.90x = 32,695.56 × 19,023.21
  4. Step 4: Simplify right side
    21,767.90x = 621,974,503.95
  5. Step 5: Solve for x
    x = 621,974,503.95/21,767.90
  6. Step 6: Final answer
    x = 28,573.02

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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.