Home / 19,263.56-28,899.30-8,728.52

Finding the Fourth Proportional to 19,263.56, 28,899.30 and 8,728.52

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Solution

The fourth proportional to 19,263.56, 28,899.30 and 8,728.52 is: 13,094.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,263.56 : 28,899.30 = 8,728.52 : x
  2. Step 2: Convert to fraction form
    19,263.56/28,899.30 = 8,728.52/x
  3. Step 3: Cross multiply
    19,263.56x = 28,899.30 × 8,728.52
  4. Step 4: Simplify right side
    19,263.56x = 252,248,118.04
  5. Step 5: Solve for x
    x = 252,248,118.04/19,263.56
  6. Step 6: Final answer
    x = 13,094.57

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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.