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Finding the Fourth Proportional to 38,076, 57,133.98 and 15,603.36

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Solution

The fourth proportional to 38,076, 57,133.98 and 15,603.36 is: 23,413.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,076 : 57,133.98 = 15,603.36 : x
  2. Step 2: Convert to fraction form
    38,076/57,133.98 = 15,603.36/x
  3. Step 3: Cross multiply
    38,076x = 57,133.98 × 15,603.36
  4. Step 4: Simplify right side
    38,076x = 891,482,058.17
  5. Step 5: Solve for x
    x = 891,482,058.17/38,076
  6. Step 6: Final answer
    x = 23,413.23

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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.