Home / 28,426.93-42,640.28-22,192.16

Finding the Fourth Proportional to 28,426.93, 42,640.28 and 22,192.16

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Solution

The fourth proportional to 28,426.93, 42,640.28 and 22,192.16 is: 33,288.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,426.93 : 42,640.28 = 22,192.16 : x
  2. Step 2: Convert to fraction form
    28,426.93/42,640.28 = 22,192.16/x
  3. Step 3: Cross multiply
    28,426.93x = 42,640.28 × 22,192.16
  4. Step 4: Simplify right side
    28,426.93x = 946,279,916.20
  5. Step 5: Solve for x
    x = 946,279,916.20/28,426.93
  6. Step 6: Final answer
    x = 33,288.15

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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.