Home / 19,220.32-28,828.44-6,072.76

Finding the Fourth Proportional to 19,220.32, 28,828.44 and 6,072.76

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Solution

The fourth proportional to 19,220.32, 28,828.44 and 6,072.76 is: 9,108.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.32 : 28,828.44 = 6,072.76 : x
  2. Step 2: Convert to fraction form
    19,220.32/28,828.44 = 6,072.76/x
  3. Step 3: Cross multiply
    19,220.32x = 28,828.44 × 6,072.76
  4. Step 4: Simplify right side
    19,220.32x = 175,068,197.29
  5. Step 5: Solve for x
    x = 175,068,197.29/19,220.32
  6. Step 6: Final answer
    x = 9,108.50

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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.