Home / 28,686.48-43,040.76-13,894.26

Finding the Fourth Proportional to 28,686.48, 43,040.76 and 13,894.26

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Solution

The fourth proportional to 28,686.48, 43,040.76 and 13,894.26 is: 20,846.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,686.48 : 43,040.76 = 13,894.26 : x
  2. Step 2: Convert to fraction form
    28,686.48/43,040.76 = 13,894.26/x
  3. Step 3: Cross multiply
    28,686.48x = 43,040.76 × 13,894.26
  4. Step 4: Simplify right side
    28,686.48x = 598,019,510.04
  5. Step 5: Solve for x
    x = 598,019,510.04/28,686.48
  6. Step 6: Final answer
    x = 20,846.74

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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.