Home / 28,237.01-42,355.27-7,177.11

Finding the Fourth Proportional to 28,237.01, 42,355.27 and 7,177.11

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Solution

The fourth proportional to 28,237.01, 42,355.27 and 7,177.11 is: 10,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237.01 : 42,355.27 = 7,177.11 : x
  2. Step 2: Convert to fraction form
    28,237.01/42,355.27 = 7,177.11/x
  3. Step 3: Cross multiply
    28,237.01x = 42,355.27 × 7,177.11
  4. Step 4: Simplify right side
    28,237.01x = 303,988,395.98
  5. Step 5: Solve for x
    x = 303,988,395.98/28,237.01
  6. Step 6: Final answer
    x = 10,765.60

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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.