Home / 25,487.34-35,139.87-16,039.50

Finding the Fourth Proportional to 25,487.34, 35,139.87 and 16,039.50

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Solution

The fourth proportional to 25,487.34, 35,139.87 and 16,039.50 is: 22,113.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487.34 : 35,139.87 = 16,039.50 : x
  2. Step 2: Convert to fraction form
    25,487.34/35,139.87 = 16,039.50/x
  3. Step 3: Cross multiply
    25,487.34x = 35,139.87 × 16,039.50
  4. Step 4: Simplify right side
    25,487.34x = 563,625,944.87
  5. Step 5: Solve for x
    x = 563,625,944.87/25,487.34
  6. Step 6: Final answer
    x = 22,113.96

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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.