Home / 25,785.16-38,682.60-18,371.23

Finding the Fourth Proportional to 25,785.16, 38,682.60 and 18,371.23

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Solution

The fourth proportional to 25,785.16, 38,682.60 and 18,371.23 is: 27,560.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,785.16 : 38,682.60 = 18,371.23 : x
  2. Step 2: Convert to fraction form
    25,785.16/38,682.60 = 18,371.23/x
  3. Step 3: Cross multiply
    25,785.16x = 38,682.60 × 18,371.23
  4. Step 4: Simplify right side
    25,785.16x = 710,646,941.60
  5. Step 5: Solve for x
    x = 710,646,941.60/25,785.16
  6. Step 6: Final answer
    x = 27,560.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.