Home / 42,858.11-64,297.35-17,884.28

Finding the Fourth Proportional to 42,858.11, 64,297.35 and 17,884.28

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Solution

The fourth proportional to 42,858.11, 64,297.35 and 17,884.28 is: 26,830.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,858.11 : 64,297.35 = 17,884.28 : x
  2. Step 2: Convert to fraction form
    42,858.11/64,297.35 = 17,884.28/x
  3. Step 3: Cross multiply
    42,858.11x = 64,297.35 × 17,884.28
  4. Step 4: Simplify right side
    42,858.11x = 1,149,911,489.17
  5. Step 5: Solve for x
    x = 1,149,911,489.17/42,858.11
  6. Step 6: Final answer
    x = 26,830.67

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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.