Home / 35,421.28-53,137.67-10,463.84

Finding the Fourth Proportional to 35,421.28, 53,137.67 and 10,463.84

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Solution

The fourth proportional to 35,421.28, 53,137.67 and 10,463.84 is: 15,697.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,421.28 : 53,137.67 = 10,463.84 : x
  2. Step 2: Convert to fraction form
    35,421.28/53,137.67 = 10,463.84/x
  3. Step 3: Cross multiply
    35,421.28x = 53,137.67 × 10,463.84
  4. Step 4: Simplify right side
    35,421.28x = 556,023,758.85
  5. Step 5: Solve for x
    x = 556,023,758.85/35,421.28
  6. Step 6: Final answer
    x = 15,697.45

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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.