Home / 27,342.36-40,966.29-21,350.25

Finding the Fourth Proportional to 27,342.36, 40,966.29 and 21,350.25

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Solution

The fourth proportional to 27,342.36, 40,966.29 and 21,350.25 is: 31,988.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,342.36 : 40,966.29 = 21,350.25 : x
  2. Step 2: Convert to fraction form
    27,342.36/40,966.29 = 21,350.25/x
  3. Step 3: Cross multiply
    27,342.36x = 40,966.29 × 21,350.25
  4. Step 4: Simplify right side
    27,342.36x = 874,640,533.07
  5. Step 5: Solve for x
    x = 874,640,533.07/27,342.36
  6. Step 6: Final answer
    x = 31,988.48

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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.