Home / 25,475.71-38,177.96-21,707.81

Finding the Fourth Proportional to 25,475.71, 38,177.96 and 21,707.81

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Solution

The fourth proportional to 25,475.71, 38,177.96 and 21,707.81 is: 32,531.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,475.71 : 38,177.96 = 21,707.81 : x
  2. Step 2: Convert to fraction form
    25,475.71/38,177.96 = 21,707.81/x
  3. Step 3: Cross multiply
    25,475.71x = 38,177.96 × 21,707.81
  4. Step 4: Simplify right side
    25,475.71x = 828,759,901.87
  5. Step 5: Solve for x
    x = 828,759,901.87/25,475.71
  6. Step 6: Final answer
    x = 32,531.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.