Home / 20,287.10-27,888.72-17,444.06

Finding the Fourth Proportional to 20,287.10, 27,888.72 and 17,444.06

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Solution

The fourth proportional to 20,287.10, 27,888.72 and 17,444.06 is: 23,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,287.10 : 27,888.72 = 17,444.06 : x
  2. Step 2: Convert to fraction form
    20,287.10/27,888.72 = 17,444.06/x
  3. Step 3: Cross multiply
    20,287.10x = 27,888.72 × 17,444.06
  4. Step 4: Simplify right side
    20,287.10x = 486,492,505.00
  5. Step 5: Solve for x
    x = 486,492,505.00/20,287.10
  6. Step 6: Final answer
    x = 23,980.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.