Home / 19,765.08-27,275.44-10,812.50

Finding the Fourth Proportional to 19,765.08, 27,275.44 and 10,812.50

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Solution

The fourth proportional to 19,765.08, 27,275.44 and 10,812.50 is: 14,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765.08 : 27,275.44 = 10,812.50 : x
  2. Step 2: Convert to fraction form
    19,765.08/27,275.44 = 10,812.50/x
  3. Step 3: Cross multiply
    19,765.08x = 27,275.44 × 10,812.50
  4. Step 4: Simplify right side
    19,765.08x = 294,915,695
  5. Step 5: Solve for x
    x = 294,915,695/19,765.08
  6. Step 6: Final answer
    x = 14,921.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.