Home / 28,263.38-42,395.07-12,465.04

Finding the Fourth Proportional to 28,263.38, 42,395.07 and 12,465.04

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Solution

The fourth proportional to 28,263.38, 42,395.07 and 12,465.04 is: 18,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,263.38 : 42,395.07 = 12,465.04 : x
  2. Step 2: Convert to fraction form
    28,263.38/42,395.07 = 12,465.04/x
  3. Step 3: Cross multiply
    28,263.38x = 42,395.07 × 12,465.04
  4. Step 4: Simplify right side
    28,263.38x = 528,456,228.54
  5. Step 5: Solve for x
    x = 528,456,228.54/28,263.38
  6. Step 6: Final answer
    x = 18,697.56

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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.