Home / 17,721.36-26,547.48-13,807.44

Finding the Fourth Proportional to 17,721.36, 26,547.48 and 13,807.44

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Solution

The fourth proportional to 17,721.36, 26,547.48 and 13,807.44 is: 20,684.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721.36 : 26,547.48 = 13,807.44 : x
  2. Step 2: Convert to fraction form
    17,721.36/26,547.48 = 13,807.44/x
  3. Step 3: Cross multiply
    17,721.36x = 26,547.48 × 13,807.44
  4. Step 4: Simplify right side
    17,721.36x = 366,552,737.25
  5. Step 5: Solve for x
    x = 366,552,737.25/17,721.36
  6. Step 6: Final answer
    x = 20,684.23

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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.