Home / 21,267.10-29,389.08-15,952.69

Finding the Fourth Proportional to 21,267.10, 29,389.08 and 15,952.69

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Solution

The fourth proportional to 21,267.10, 29,389.08 and 15,952.69 is: 22,045.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,267.10 : 29,389.08 = 15,952.69 : x
  2. Step 2: Convert to fraction form
    21,267.10/29,389.08 = 15,952.69/x
  3. Step 3: Cross multiply
    21,267.10x = 29,389.08 × 15,952.69
  4. Step 4: Simplify right side
    21,267.10x = 468,834,882.63
  5. Step 5: Solve for x
    x = 468,834,882.63/21,267.10
  6. Step 6: Final answer
    x = 22,045.08

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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.