Home / 21,449.08-32,026.91-19,213.48

Finding the Fourth Proportional to 21,449.08, 32,026.91 and 19,213.48

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Solution

The fourth proportional to 21,449.08, 32,026.91 and 19,213.48 is: 28,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,449.08 : 32,026.91 = 19,213.48 : x
  2. Step 2: Convert to fraction form
    21,449.08/32,026.91 = 19,213.48/x
  3. Step 3: Cross multiply
    21,449.08x = 32,026.91 × 19,213.48
  4. Step 4: Simplify right side
    21,449.08x = 615,348,394.75
  5. Step 5: Solve for x
    x = 615,348,394.75/21,449.08
  6. Step 6: Final answer
    x = 28,688.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.