Home / 17,989.02-26,802.66-16,983

Finding the Fourth Proportional to 17,989.02, 26,802.66 and 16,983

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Solution

The fourth proportional to 17,989.02, 26,802.66 and 16,983 is: 25,303.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,989.02 : 26,802.66 = 16,983 : x
  2. Step 2: Convert to fraction form
    17,989.02/26,802.66 = 16,983/x
  3. Step 3: Cross multiply
    17,989.02x = 26,802.66 × 16,983
  4. Step 4: Simplify right side
    17,989.02x = 455,189,638.47
  5. Step 5: Solve for x
    x = 455,189,638.47/17,989.02
  6. Step 6: Final answer
    x = 25,303.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.