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Finding the Fourth Proportional to 35,385.48, 53,052.48 and 17,867.76

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Solution

The fourth proportional to 35,385.48, 53,052.48 and 17,867.76 is: 26,788.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,385.48 : 53,052.48 = 17,867.76 : x
  2. Step 2: Convert to fraction form
    35,385.48/53,052.48 = 17,867.76/x
  3. Step 3: Cross multiply
    35,385.48x = 53,052.48 × 17,867.76
  4. Step 4: Simplify right side
    35,385.48x = 947,928,980.04
  5. Step 5: Solve for x
    x = 947,928,980.04/35,385.48
  6. Step 6: Final answer
    x = 26,788.64

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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.