Home / 18,875.28-28,313.62-7,032.04

Finding the Fourth Proportional to 18,875.28, 28,313.62 and 7,032.04

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Solution

The fourth proportional to 18,875.28, 28,313.62 and 7,032.04 is: 10,548.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875.28 : 28,313.62 = 7,032.04 : x
  2. Step 2: Convert to fraction form
    18,875.28/28,313.62 = 7,032.04/x
  3. Step 3: Cross multiply
    18,875.28x = 28,313.62 × 7,032.04
  4. Step 4: Simplify right side
    18,875.28x = 199,102,508.38
  5. Step 5: Solve for x
    x = 199,102,508.38/18,875.28
  6. Step 6: Final answer
    x = 10,548.32

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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.