Home / 21,275.58-29,363.81-16,230.27

Finding the Fourth Proportional to 21,275.58, 29,363.81 and 16,230.27

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Solution

The fourth proportional to 21,275.58, 29,363.81 and 16,230.27 is: 22,400.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,275.58 : 29,363.81 = 16,230.27 : x
  2. Step 2: Convert to fraction form
    21,275.58/29,363.81 = 16,230.27/x
  3. Step 3: Cross multiply
    21,275.58x = 29,363.81 × 16,230.27
  4. Step 4: Simplify right side
    21,275.58x = 476,582,622.02
  5. Step 5: Solve for x
    x = 476,582,622.02/21,275.58
  6. Step 6: Final answer
    x = 22,400.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.