Home / 35,145.28-52,707.60-14,085.28

Finding the Fourth Proportional to 35,145.28, 52,707.60 and 14,085.28

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Solution

The fourth proportional to 35,145.28, 52,707.60 and 14,085.28 is: 21,123.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,145.28 : 52,707.60 = 14,085.28 : x
  2. Step 2: Convert to fraction form
    35,145.28/52,707.60 = 14,085.28/x
  3. Step 3: Cross multiply
    35,145.28x = 52,707.60 × 14,085.28
  4. Step 4: Simplify right side
    35,145.28x = 742,401,304.13
  5. Step 5: Solve for x
    x = 742,401,304.13/35,145.28
  6. Step 6: Final answer
    x = 21,123.78

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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.