Home / 21,410.25-29,574.38-16,435.93

Finding the Fourth Proportional to 21,410.25, 29,574.38 and 16,435.93

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Solution

The fourth proportional to 21,410.25, 29,574.38 and 16,435.93 is: 22,703.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410.25 : 29,574.38 = 16,435.93 : x
  2. Step 2: Convert to fraction form
    21,410.25/29,574.38 = 16,435.93/x
  3. Step 3: Cross multiply
    21,410.25x = 29,574.38 × 16,435.93
  4. Step 4: Simplify right side
    21,410.25x = 486,082,439.47
  5. Step 5: Solve for x
    x = 486,082,439.47/21,410.25
  6. Step 6: Final answer
    x = 22,703.26

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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.