Home / 27,371.32-37,773.71-15,434.40

Finding the Fourth Proportional to 27,371.32, 37,773.71 and 15,434.40

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Solution

The fourth proportional to 27,371.32, 37,773.71 and 15,434.40 is: 21,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,371.32 : 37,773.71 = 15,434.40 : x
  2. Step 2: Convert to fraction form
    27,371.32/37,773.71 = 15,434.40/x
  3. Step 3: Cross multiply
    27,371.32x = 37,773.71 × 15,434.40
  4. Step 4: Simplify right side
    27,371.32x = 583,014,360.76
  5. Step 5: Solve for x
    x = 583,014,360.76/27,371.32
  6. Step 6: Final answer
    x = 21,300.20

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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.