Home / 25,651.31-35,400.21-14,320.90

Finding the Fourth Proportional to 25,651.31, 35,400.21 and 14,320.90

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Solution

The fourth proportional to 25,651.31, 35,400.21 and 14,320.90 is: 19,763.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,651.31 : 35,400.21 = 14,320.90 : x
  2. Step 2: Convert to fraction form
    25,651.31/35,400.21 = 14,320.90/x
  3. Step 3: Cross multiply
    25,651.31x = 35,400.21 × 14,320.90
  4. Step 4: Simplify right side
    25,651.31x = 506,962,978.77
  5. Step 5: Solve for x
    x = 506,962,978.77/25,651.31
  6. Step 6: Final answer
    x = 19,763.63

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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.