Home / 25,821.59-35,631.70-14,489.51

Finding the Fourth Proportional to 25,821.59, 35,631.70 and 14,489.51

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Solution

The fourth proportional to 25,821.59, 35,631.70 and 14,489.51 is: 19,994.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,821.59 : 35,631.70 = 14,489.51 : x
  2. Step 2: Convert to fraction form
    25,821.59/35,631.70 = 14,489.51/x
  3. Step 3: Cross multiply
    25,821.59x = 35,631.70 × 14,489.51
  4. Step 4: Simplify right side
    25,821.59x = 516,285,659.08
  5. Step 5: Solve for x
    x = 516,285,659.08/25,821.59
  6. Step 6: Final answer
    x = 19,994.34

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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.