Home / 25,855.40-35,680.39-14,525.21

Finding the Fourth Proportional to 25,855.40, 35,680.39 and 14,525.21

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Solution

The fourth proportional to 25,855.40, 35,680.39 and 14,525.21 is: 20,044.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,855.40 : 35,680.39 = 14,525.21 : x
  2. Step 2: Convert to fraction form
    25,855.40/35,680.39 = 14,525.21/x
  3. Step 3: Cross multiply
    25,855.40x = 35,680.39 × 14,525.21
  4. Step 4: Simplify right side
    25,855.40x = 518,265,210.52
  5. Step 5: Solve for x
    x = 518,265,210.52/25,855.40
  6. Step 6: Final answer
    x = 20,044.76

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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.