Home / 22,897.72-31,579.50-15,812.92

Finding the Fourth Proportional to 22,897.72, 31,579.50 and 15,812.92

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Solution

The fourth proportional to 22,897.72, 31,579.50 and 15,812.92 is: 21,808.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,897.72 : 31,579.50 = 15,812.92 : x
  2. Step 2: Convert to fraction form
    22,897.72/31,579.50 = 15,812.92/x
  3. Step 3: Cross multiply
    22,897.72x = 31,579.50 × 15,812.92
  4. Step 4: Simplify right side
    22,897.72x = 499,364,107.14
  5. Step 5: Solve for x
    x = 499,364,107.14/22,897.72
  6. Step 6: Final answer
    x = 21,808.46

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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.