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Finding the Fourth Proportional to 25,551.76, 35,261.42 and 14,373.76

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Solution

The fourth proportional to 25,551.76, 35,261.42 and 14,373.76 is: 19,835.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,551.76 : 35,261.42 = 14,373.76 : x
  2. Step 2: Convert to fraction form
    25,551.76/35,261.42 = 14,373.76/x
  3. Step 3: Cross multiply
    25,551.76x = 35,261.42 × 14,373.76
  4. Step 4: Simplify right side
    25,551.76x = 506,839,188.34
  5. Step 5: Solve for x
    x = 506,839,188.34/25,551.76
  6. Step 6: Final answer
    x = 19,835.78

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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.