Home / 17,287.89-23,807.07-15,018.19

Finding the Fourth Proportional to 17,287.89, 23,807.07 and 15,018.19

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Solution

The fourth proportional to 17,287.89, 23,807.07 and 15,018.19 is: 20,681.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,287.89 : 23,807.07 = 15,018.19 : x
  2. Step 2: Convert to fraction form
    17,287.89/23,807.07 = 15,018.19/x
  3. Step 3: Cross multiply
    17,287.89x = 23,807.07 × 15,018.19
  4. Step 4: Simplify right side
    17,287.89x = 357,539,217.24
  5. Step 5: Solve for x
    x = 357,539,217.24/17,287.89
  6. Step 6: Final answer
    x = 20,681.48

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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.