Home / 28,854.79-43,254.50-9,119.84

Finding the Fourth Proportional to 28,854.79, 43,254.50 and 9,119.84

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Solution

The fourth proportional to 28,854.79, 43,254.50 and 9,119.84 is: 13,671.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,854.79 : 43,254.50 = 9,119.84 : x
  2. Step 2: Convert to fraction form
    28,854.79/43,254.50 = 9,119.84/x
  3. Step 3: Cross multiply
    28,854.79x = 43,254.50 × 9,119.84
  4. Step 4: Simplify right side
    28,854.79x = 394,473,857.41
  5. Step 5: Solve for x
    x = 394,473,857.41/28,854.79
  6. Step 6: Final answer
    x = 13,671.00

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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.