Home / 22,816.53-31,501.62-20,422.35

Finding the Fourth Proportional to 22,816.53, 31,501.62 and 20,422.35

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Solution

The fourth proportional to 22,816.53, 31,501.62 and 20,422.35 is: 28,196.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,816.53 : 31,501.62 = 20,422.35 : x
  2. Step 2: Convert to fraction form
    22,816.53/31,501.62 = 20,422.35/x
  3. Step 3: Cross multiply
    22,816.53x = 31,501.62 × 20,422.35
  4. Step 4: Simplify right side
    22,816.53x = 643,337,109.21
  5. Step 5: Solve for x
    x = 643,337,109.21/22,816.53
  6. Step 6: Final answer
    x = 28,196.10

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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.