Home / 20,004.16-27,605.28-11,051.20

Finding the Fourth Proportional to 20,004.16, 27,605.28 and 11,051.20

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Solution

The fourth proportional to 20,004.16, 27,605.28 and 11,051.20 is: 15,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.16 : 27,605.28 = 11,051.20 : x
  2. Step 2: Convert to fraction form
    20,004.16/27,605.28 = 11,051.20/x
  3. Step 3: Cross multiply
    20,004.16x = 27,605.28 × 11,051.20
  4. Step 4: Simplify right side
    20,004.16x = 305,071,470.34
  5. Step 5: Solve for x
    x = 305,071,470.34/20,004.16
  6. Step 6: Final answer
    x = 15,250.40

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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.