Home / 25,625.37-38,415.21-13,785.51

Finding the Fourth Proportional to 25,625.37, 38,415.21 and 13,785.51

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Solution

The fourth proportional to 25,625.37, 38,415.21 and 13,785.51 is: 20,665.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,625.37 : 38,415.21 = 13,785.51 : x
  2. Step 2: Convert to fraction form
    25,625.37/38,415.21 = 13,785.51/x
  3. Step 3: Cross multiply
    25,625.37x = 38,415.21 × 13,785.51
  4. Step 4: Simplify right side
    25,625.37x = 529,573,261.61
  5. Step 5: Solve for x
    x = 529,573,261.61/25,625.37
  6. Step 6: Final answer
    x = 20,665.98

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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.