Home / 19,178.32-28,768.72-6,031.20

Finding the Fourth Proportional to 19,178.32, 28,768.72 and 6,031.20

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Solution

The fourth proportional to 19,178.32, 28,768.72 and 6,031.20 is: 9,047.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178.32 : 28,768.72 = 6,031.20 : x
  2. Step 2: Convert to fraction form
    19,178.32/28,768.72 = 6,031.20/x
  3. Step 3: Cross multiply
    19,178.32x = 28,768.72 × 6,031.20
  4. Step 4: Simplify right side
    19,178.32x = 173,509,904.06
  5. Step 5: Solve for x
    x = 173,509,904.06/19,178.32
  6. Step 6: Final answer
    x = 9,047.19

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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.