Home / 42,615.63-63,917.28-13,025.52

Finding the Fourth Proportional to 42,615.63, 63,917.28 and 13,025.52

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Solution

The fourth proportional to 42,615.63, 63,917.28 and 13,025.52 is: 19,536.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,615.63 : 63,917.28 = 13,025.52 : x
  2. Step 2: Convert to fraction form
    42,615.63/63,917.28 = 13,025.52/x
  3. Step 3: Cross multiply
    42,615.63x = 63,917.28 × 13,025.52
  4. Step 4: Simplify right side
    42,615.63x = 832,555,808.99
  5. Step 5: Solve for x
    x = 832,555,808.99/42,615.63
  6. Step 6: Final answer
    x = 19,536.40

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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.