Home / 27,289.92-37,663.12-15,356.16

Finding the Fourth Proportional to 27,289.92, 37,663.12 and 15,356.16

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Solution

The fourth proportional to 27,289.92, 37,663.12 and 15,356.16 is: 21,193.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,289.92 : 37,663.12 = 15,356.16 : x
  2. Step 2: Convert to fraction form
    27,289.92/37,663.12 = 15,356.16/x
  3. Step 3: Cross multiply
    27,289.92x = 37,663.12 × 15,356.16
  4. Step 4: Simplify right side
    27,289.92x = 578,360,896.82
  5. Step 5: Solve for x
    x = 578,360,896.82/27,289.92
  6. Step 6: Final answer
    x = 21,193.21

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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.