Home / 22,022.40-32,937.60-19,699.20

Finding the Fourth Proportional to 22,022.40, 32,937.60 and 19,699.20

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Solution

The fourth proportional to 22,022.40, 32,937.60 and 19,699.20 is: 29,462.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,022.40 : 32,937.60 = 19,699.20 : x
  2. Step 2: Convert to fraction form
    22,022.40/32,937.60 = 19,699.20/x
  3. Step 3: Cross multiply
    22,022.40x = 32,937.60 × 19,699.20
  4. Step 4: Simplify right side
    22,022.40x = 648,844,369.92
  5. Step 5: Solve for x
    x = 648,844,369.92/22,022.40
  6. Step 6: Final answer
    x = 29,462.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.