Home / 27,137.76-37,450.54-15,646.32

Finding the Fourth Proportional to 27,137.76, 37,450.54 and 15,646.32

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Solution

The fourth proportional to 27,137.76, 37,450.54 and 15,646.32 is: 21,592.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,137.76 : 37,450.54 = 15,646.32 : x
  2. Step 2: Convert to fraction form
    27,137.76/37,450.54 = 15,646.32/x
  3. Step 3: Cross multiply
    27,137.76x = 37,450.54 × 15,646.32
  4. Step 4: Simplify right side
    27,137.76x = 585,963,133.01
  5. Step 5: Solve for x
    x = 585,963,133.01/27,137.76
  6. Step 6: Final answer
    x = 21,592.17

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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.