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Finding the Fourth Proportional to 25,484, 35,168.04 and 14,306

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Solution

The fourth proportional to 25,484, 35,168.04 and 14,306 is: 19,742.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,484 : 35,168.04 = 14,306 : x
  2. Step 2: Convert to fraction form
    25,484/35,168.04 = 14,306/x
  3. Step 3: Cross multiply
    25,484x = 35,168.04 × 14,306
  4. Step 4: Simplify right side
    25,484x = 503,113,980.24
  5. Step 5: Solve for x
    x = 503,113,980.24/25,484
  6. Step 6: Final answer
    x = 19,742.35

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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.