Home / 28,875.03-43,315.38-12,004.55

Finding the Fourth Proportional to 28,875.03, 43,315.38 and 12,004.55

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Solution

The fourth proportional to 28,875.03, 43,315.38 and 12,004.55 is: 18,008.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875.03 : 43,315.38 = 12,004.55 : x
  2. Step 2: Convert to fraction form
    28,875.03/43,315.38 = 12,004.55/x
  3. Step 3: Cross multiply
    28,875.03x = 43,315.38 × 12,004.55
  4. Step 4: Simplify right side
    28,875.03x = 519,981,584.96
  5. Step 5: Solve for x
    x = 519,981,584.96/28,875.03
  6. Step 6: Final answer
    x = 18,008.00

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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.