Home / 21,416.63-32,086.77-18,264.66

Finding the Fourth Proportional to 21,416.63, 32,086.77 and 18,264.66

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Solution

The fourth proportional to 21,416.63, 32,086.77 and 18,264.66 is: 27,364.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,416.63 : 32,086.77 = 18,264.66 : x
  2. Step 2: Convert to fraction form
    21,416.63/32,086.77 = 18,264.66/x
  3. Step 3: Cross multiply
    21,416.63x = 32,086.77 × 18,264.66
  4. Step 4: Simplify right side
    21,416.63x = 586,053,944.55
  5. Step 5: Solve for x
    x = 586,053,944.55/21,416.63
  6. Step 6: Final answer
    x = 27,364.44

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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.