Home / 25,905.60-35,752.32-15,838.56

Finding the Fourth Proportional to 25,905.60, 35,752.32 and 15,838.56

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Solution

The fourth proportional to 25,905.60, 35,752.32 and 15,838.56 is: 21,858.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,905.60 : 35,752.32 = 15,838.56 : x
  2. Step 2: Convert to fraction form
    25,905.60/35,752.32 = 15,838.56/x
  3. Step 3: Cross multiply
    25,905.60x = 35,752.32 × 15,838.56
  4. Step 4: Simplify right side
    25,905.60x = 566,265,265.46
  5. Step 5: Solve for x
    x = 566,265,265.46/25,905.60
  6. Step 6: Final answer
    x = 21,858.80

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1.5x scale

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.