Home / 28,981.15-43,463.34-13,177.39

Finding the Fourth Proportional to 28,981.15, 43,463.34 and 13,177.39

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Solution

The fourth proportional to 28,981.15, 43,463.34 and 13,177.39 is: 19,762.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,981.15 : 43,463.34 = 13,177.39 : x
  2. Step 2: Convert to fraction form
    28,981.15/43,463.34 = 13,177.39/x
  3. Step 3: Cross multiply
    28,981.15x = 43,463.34 × 13,177.39
  4. Step 4: Simplify right side
    28,981.15x = 572,733,381.88
  5. Step 5: Solve for x
    x = 572,733,381.88/28,981.15
  6. Step 6: Final answer
    x = 19,762.27

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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.