Home / 22,281.08-33,420.40-7,488.45

Finding the Fourth Proportional to 22,281.08, 33,420.40 and 7,488.45

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Solution

The fourth proportional to 22,281.08, 33,420.40 and 7,488.45 is: 11,232.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,281.08 : 33,420.40 = 7,488.45 : x
  2. Step 2: Convert to fraction form
    22,281.08/33,420.40 = 7,488.45/x
  3. Step 3: Cross multiply
    22,281.08x = 33,420.40 × 7,488.45
  4. Step 4: Simplify right side
    22,281.08x = 250,266,975.66
  5. Step 5: Solve for x
    x = 250,266,975.66/22,281.08
  6. Step 6: Final answer
    x = 11,232.27

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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.