Home / 17,279.04-25,889.36-13,809.04

Finding the Fourth Proportional to 17,279.04, 25,889.36 and 13,809.04

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Solution

The fourth proportional to 17,279.04, 25,889.36 and 13,809.04 is: 20,690.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,279.04 : 25,889.36 = 13,809.04 : x
  2. Step 2: Convert to fraction form
    17,279.04/25,889.36 = 13,809.04/x
  3. Step 3: Cross multiply
    17,279.04x = 25,889.36 × 13,809.04
  4. Step 4: Simplify right side
    17,279.04x = 357,507,207.81
  5. Step 5: Solve for x
    x = 357,507,207.81/17,279.04
  6. Step 6: Final answer
    x = 20,690.22

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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.