Home / 25,818.98-35,631.75-14,489.40

Finding the Fourth Proportional to 25,818.98, 35,631.75 and 14,489.40

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Solution

The fourth proportional to 25,818.98, 35,631.75 and 14,489.40 is: 19,996.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,818.98 : 35,631.75 = 14,489.40 : x
  2. Step 2: Convert to fraction form
    25,818.98/35,631.75 = 14,489.40/x
  3. Step 3: Cross multiply
    25,818.98x = 35,631.75 × 14,489.40
  4. Step 4: Simplify right side
    25,818.98x = 516,282,678.45
  5. Step 5: Solve for x
    x = 516,282,678.45/25,818.98
  6. Step 6: Final answer
    x = 19,996.25

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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.