Home / 35,887.20-53,816.40-13,692.96

Finding the Fourth Proportional to 35,887.20, 53,816.40 and 13,692.96

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Solution

The fourth proportional to 35,887.20, 53,816.40 and 13,692.96 is: 20,533.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,887.20 : 53,816.40 = 13,692.96 : x
  2. Step 2: Convert to fraction form
    35,887.20/53,816.40 = 13,692.96/x
  3. Step 3: Cross multiply
    35,887.20x = 53,816.40 × 13,692.96
  4. Step 4: Simplify right side
    35,887.20x = 736,905,812.54
  5. Step 5: Solve for x
    x = 736,905,812.54/35,887.20
  6. Step 6: Final answer
    x = 20,533.95

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1.5x scale

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.