Home / 25,715.56-38,529.28-14,036.96

Finding the Fourth Proportional to 25,715.56, 38,529.28 and 14,036.96

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Solution

The fourth proportional to 25,715.56, 38,529.28 and 14,036.96 is: 21,031.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,715.56 : 38,529.28 = 14,036.96 : x
  2. Step 2: Convert to fraction form
    25,715.56/38,529.28 = 14,036.96/x
  3. Step 3: Cross multiply
    25,715.56x = 38,529.28 × 14,036.96
  4. Step 4: Simplify right side
    25,715.56x = 540,833,962.19
  5. Step 5: Solve for x
    x = 540,833,962.19/25,715.56
  6. Step 6: Final answer
    x = 21,031.39

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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.