Home / 25,648.95-35,362.64-21,032.72

Finding the Fourth Proportional to 25,648.95, 35,362.64 and 21,032.72

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Solution

The fourth proportional to 25,648.95, 35,362.64 and 21,032.72 is: 28,998.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,648.95 : 35,362.64 = 21,032.72 : x
  2. Step 2: Convert to fraction form
    25,648.95/35,362.64 = 21,032.72/x
  3. Step 3: Cross multiply
    25,648.95x = 35,362.64 × 21,032.72
  4. Step 4: Simplify right side
    25,648.95x = 743,772,223.60
  5. Step 5: Solve for x
    x = 743,772,223.60/25,648.95
  6. Step 6: Final answer
    x = 28,998.15

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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.