Home / 28,752.22-43,139.03-12,952.51

Finding the Fourth Proportional to 28,752.22, 43,139.03 and 12,952.51

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Solution

The fourth proportional to 28,752.22, 43,139.03 and 12,952.51 is: 19,433.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,752.22 : 43,139.03 = 12,952.51 : x
  2. Step 2: Convert to fraction form
    28,752.22/43,139.03 = 12,952.51/x
  3. Step 3: Cross multiply
    28,752.22x = 43,139.03 × 12,952.51
  4. Step 4: Simplify right side
    28,752.22x = 558,758,617.71
  5. Step 5: Solve for x
    x = 558,758,617.71/28,752.22
  6. Step 6: Final answer
    x = 19,433.58

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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.