Home / 27,490.49-37,930.56-15,551.22

Finding the Fourth Proportional to 27,490.49, 37,930.56 and 15,551.22

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Solution

The fourth proportional to 27,490.49, 37,930.56 and 15,551.22 is: 21,457.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,490.49 : 37,930.56 = 15,551.22 : x
  2. Step 2: Convert to fraction form
    27,490.49/37,930.56 = 15,551.22/x
  3. Step 3: Cross multiply
    27,490.49x = 37,930.56 × 15,551.22
  4. Step 4: Simplify right side
    27,490.49x = 589,866,483.28
  5. Step 5: Solve for x
    x = 589,866,483.28/27,490.49
  6. Step 6: Final answer
    x = 21,457.11

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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.