Home / 21,526.69-29,721.32-19,250.97

Finding the Fourth Proportional to 21,526.69, 29,721.32 and 19,250.97

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Solution

The fourth proportional to 21,526.69, 29,721.32 and 19,250.97 is: 26,579.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,526.69 : 29,721.32 = 19,250.97 : x
  2. Step 2: Convert to fraction form
    21,526.69/29,721.32 = 19,250.97/x
  3. Step 3: Cross multiply
    21,526.69x = 29,721.32 × 19,250.97
  4. Step 4: Simplify right side
    21,526.69x = 572,164,091.07
  5. Step 5: Solve for x
    x = 572,164,091.07/21,526.69
  6. Step 6: Final answer
    x = 26,579.29

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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.