Home / 28,178.49-42,267.75-22,907.22

Finding the Fourth Proportional to 28,178.49, 42,267.75 and 22,907.22

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Solution

The fourth proportional to 28,178.49, 42,267.75 and 22,907.22 is: 34,360.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,178.49 : 42,267.75 = 22,907.22 : x
  2. Step 2: Convert to fraction form
    28,178.49/42,267.75 = 22,907.22/x
  3. Step 3: Cross multiply
    28,178.49x = 42,267.75 × 22,907.22
  4. Step 4: Simplify right side
    28,178.49x = 968,236,648.16
  5. Step 5: Solve for x
    x = 968,236,648.16/28,178.49
  6. Step 6: Final answer
    x = 34,360.84

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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.