Home / 27,345.49-37,736.32-15,409.99

Finding the Fourth Proportional to 27,345.49, 37,736.32 and 15,409.99

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Solution

The fourth proportional to 27,345.49, 37,736.32 and 15,409.99 is: 21,265.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,345.49 : 37,736.32 = 15,409.99 : x
  2. Step 2: Convert to fraction form
    27,345.49/37,736.32 = 15,409.99/x
  3. Step 3: Cross multiply
    27,345.49x = 37,736.32 × 15,409.99
  4. Step 4: Simplify right side
    27,345.49x = 581,516,313.84
  5. Step 5: Solve for x
    x = 581,516,313.84/27,345.49
  6. Step 6: Final answer
    x = 21,265.53

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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.