Home / 28,262.06-42,389.82-14,929.71

Finding the Fourth Proportional to 28,262.06, 42,389.82 and 14,929.71

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Solution

The fourth proportional to 28,262.06, 42,389.82 and 14,929.71 is: 22,392.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262.06 : 42,389.82 = 14,929.71 : x
  2. Step 2: Convert to fraction form
    28,262.06/42,389.82 = 14,929.71/x
  3. Step 3: Cross multiply
    28,262.06x = 42,389.82 × 14,929.71
  4. Step 4: Simplify right side
    28,262.06x = 632,867,719.55
  5. Step 5: Solve for x
    x = 632,867,719.55/28,262.06
  6. Step 6: Final answer
    x = 22,392.84

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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.