Home / 27,434.25-37,856.23-15,495.05

Finding the Fourth Proportional to 27,434.25, 37,856.23 and 15,495.05

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Solution

The fourth proportional to 27,434.25, 37,856.23 and 15,495.05 is: 21,381.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,434.25 : 37,856.23 = 15,495.05 : x
  2. Step 2: Convert to fraction form
    27,434.25/37,856.23 = 15,495.05/x
  3. Step 3: Cross multiply
    27,434.25x = 37,856.23 × 15,495.05
  4. Step 4: Simplify right side
    27,434.25x = 586,584,232.56
  5. Step 5: Solve for x
    x = 586,584,232.56/27,434.25
  6. Step 6: Final answer
    x = 21,381.46

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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.