Home / 27,824.36-38,398.59-15,887.48

Finding the Fourth Proportional to 27,824.36, 38,398.59 and 15,887.48

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Solution

The fourth proportional to 27,824.36, 38,398.59 and 15,887.48 is: 21,925.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,824.36 : 38,398.59 = 15,887.48 : x
  2. Step 2: Convert to fraction form
    27,824.36/38,398.59 = 15,887.48/x
  3. Step 3: Cross multiply
    27,824.36x = 38,398.59 × 15,887.48
  4. Step 4: Simplify right side
    27,824.36x = 610,056,638.66
  5. Step 5: Solve for x
    x = 610,056,638.66/27,824.36
  6. Step 6: Final answer
    x = 21,925.28

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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.