Home / 28,168.08-42,224.04-15,693.72

Finding the Fourth Proportional to 28,168.08, 42,224.04 and 15,693.72

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Solution

The fourth proportional to 28,168.08, 42,224.04 and 15,693.72 is: 23,524.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,168.08 : 42,224.04 = 15,693.72 : x
  2. Step 2: Convert to fraction form
    28,168.08/42,224.04 = 15,693.72/x
  3. Step 3: Cross multiply
    28,168.08x = 42,224.04 × 15,693.72
  4. Step 4: Simplify right side
    28,168.08x = 662,652,261.03
  5. Step 5: Solve for x
    x = 662,652,261.03/28,168.08
  6. Step 6: Final answer
    x = 23,524.94

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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.