Home / 28,368.54-42,553.04-10,603.22

Finding the Fourth Proportional to 28,368.54, 42,553.04 and 10,603.22

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Solution

The fourth proportional to 28,368.54, 42,553.04 and 10,603.22 is: 15,904.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,368.54 : 42,553.04 = 10,603.22 : x
  2. Step 2: Convert to fraction form
    28,368.54/42,553.04 = 10,603.22/x
  3. Step 3: Cross multiply
    28,368.54x = 42,553.04 × 10,603.22
  4. Step 4: Simplify right side
    28,368.54x = 451,198,979.01
  5. Step 5: Solve for x
    x = 451,198,979.01/28,368.54
  6. Step 6: Final answer
    x = 15,904.91

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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.