Home / 28,174.05-42,256.08-10,644.03

Finding the Fourth Proportional to 28,174.05, 42,256.08 and 10,644.03

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Solution

The fourth proportional to 28,174.05, 42,256.08 and 10,644.03 is: 15,964.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,174.05 : 42,256.08 = 10,644.03 : x
  2. Step 2: Convert to fraction form
    28,174.05/42,256.08 = 10,644.03/x
  3. Step 3: Cross multiply
    28,174.05x = 42,256.08 × 10,644.03
  4. Step 4: Simplify right side
    28,174.05x = 449,774,983.20
  5. Step 5: Solve for x
    x = 449,774,983.20/28,174.05
  6. Step 6: Final answer
    x = 15,964.16

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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.