Home / 21,267.35-29,389.43-15,952.94

Finding the Fourth Proportional to 21,267.35, 29,389.43 and 15,952.94

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Solution

The fourth proportional to 21,267.35, 29,389.43 and 15,952.94 is: 22,045.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,267.35 : 29,389.43 = 15,952.94 : x
  2. Step 2: Convert to fraction form
    21,267.35/29,389.43 = 15,952.94/x
  3. Step 3: Cross multiply
    21,267.35x = 29,389.43 × 15,952.94
  4. Step 4: Simplify right side
    21,267.35x = 468,847,813.42
  5. Step 5: Solve for x
    x = 468,847,813.42/21,267.35
  6. Step 6: Final answer
    x = 22,045.43

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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.