Home / 27,178.88-37,506.92-15,856.16

Finding the Fourth Proportional to 27,178.88, 37,506.92 and 15,856.16

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Solution

The fourth proportional to 27,178.88, 37,506.92 and 15,856.16 is: 21,881.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,178.88 : 37,506.92 = 15,856.16 : x
  2. Step 2: Convert to fraction form
    27,178.88/37,506.92 = 15,856.16/x
  3. Step 3: Cross multiply
    27,178.88x = 37,506.92 × 15,856.16
  4. Step 4: Simplify right side
    27,178.88x = 594,715,457.81
  5. Step 5: Solve for x
    x = 594,715,457.81/27,178.88
  6. Step 6: Final answer
    x = 21,881.53

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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.