Home / 35,276.40-52,909.20-13,086.72

Finding the Fourth Proportional to 35,276.40, 52,909.20 and 13,086.72

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Solution

The fourth proportional to 35,276.40, 52,909.20 and 13,086.72 is: 19,628.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,276.40 : 52,909.20 = 13,086.72 : x
  2. Step 2: Convert to fraction form
    35,276.40/52,909.20 = 13,086.72/x
  3. Step 3: Cross multiply
    35,276.40x = 52,909.20 × 13,086.72
  4. Step 4: Simplify right side
    35,276.40x = 692,407,885.82
  5. Step 5: Solve for x
    x = 692,407,885.82/35,276.40
  6. Step 6: Final answer
    x = 19,628.08

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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.