Home / 69,726.84-104,602.80-25,415.76

Finding the Fourth Proportional to 69,726.84, 104,602.80 and 25,415.76

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Solution

The fourth proportional to 69,726.84, 104,602.80 and 25,415.76 is: 38,128.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,726.84 : 104,602.80 = 25,415.76 : x
  2. Step 2: Convert to fraction form
    69,726.84/104,602.80 = 25,415.76/x
  3. Step 3: Cross multiply
    69,726.84x = 104,602.80 × 25,415.76
  4. Step 4: Simplify right side
    69,726.84x = 2,658,559,660.13
  5. Step 5: Solve for x
    x = 2,658,559,660.13/69,726.84
  6. Step 6: Final answer
    x = 38,128.21

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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.