Home / 27,039.84-37,316.64-15,709.68

Finding the Fourth Proportional to 27,039.84, 37,316.64 and 15,709.68

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Solution

The fourth proportional to 27,039.84, 37,316.64 and 15,709.68 is: 21,680.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,039.84 : 37,316.64 = 15,709.68 : x
  2. Step 2: Convert to fraction form
    27,039.84/37,316.64 = 15,709.68/x
  3. Step 3: Cross multiply
    27,039.84x = 37,316.64 × 15,709.68
  4. Step 4: Simplify right side
    27,039.84x = 586,232,473.08
  5. Step 5: Solve for x
    x = 586,232,473.08/27,039.84
  6. Step 6: Final answer
    x = 21,680.32

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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.