Home / 25,637.90-35,380.31-14,152.82

Finding the Fourth Proportional to 25,637.90, 35,380.31 and 14,152.82

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Solution

The fourth proportional to 25,637.90, 35,380.31 and 14,152.82 is: 19,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,637.90 : 35,380.31 = 14,152.82 : x
  2. Step 2: Convert to fraction form
    25,637.90/35,380.31 = 14,152.82/x
  3. Step 3: Cross multiply
    25,637.90x = 35,380.31 × 14,152.82
  4. Step 4: Simplify right side
    25,637.90x = 500,731,158.97
  5. Step 5: Solve for x
    x = 500,731,158.97/25,637.90
  6. Step 6: Final answer
    x = 19,530.90

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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.