Home / 28,875.24-43,297.47-13,279.50

Finding the Fourth Proportional to 28,875.24, 43,297.47 and 13,279.50

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Solution

The fourth proportional to 28,875.24, 43,297.47 and 13,279.50 is: 19,912.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875.24 : 43,297.47 = 13,279.50 : x
  2. Step 2: Convert to fraction form
    28,875.24/43,297.47 = 13,279.50/x
  3. Step 3: Cross multiply
    28,875.24x = 43,297.47 × 13,279.50
  4. Step 4: Simplify right side
    28,875.24x = 574,968,752.87
  5. Step 5: Solve for x
    x = 574,968,752.87/28,875.24
  6. Step 6: Final answer
    x = 19,912.17

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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.