Home / 20,055.04-27,675.52-10,980.38

Finding the Fourth Proportional to 20,055.04, 27,675.52 and 10,980.38

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Solution

The fourth proportional to 20,055.04, 27,675.52 and 10,980.38 is: 15,152.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,055.04 : 27,675.52 = 10,980.38 : x
  2. Step 2: Convert to fraction form
    20,055.04/27,675.52 = 10,980.38/x
  3. Step 3: Cross multiply
    20,055.04x = 27,675.52 × 10,980.38
  4. Step 4: Simplify right side
    20,055.04x = 303,887,726.30
  5. Step 5: Solve for x
    x = 303,887,726.30/20,055.04
  6. Step 6: Final answer
    x = 15,152.69

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1.5x scale

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.