Home / 28,780.23-43,142.64-14,746.89

Finding the Fourth Proportional to 28,780.23, 43,142.64 and 14,746.89

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Solution

The fourth proportional to 28,780.23, 43,142.64 and 14,746.89 is: 22,106.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,780.23 : 43,142.64 = 14,746.89 : x
  2. Step 2: Convert to fraction form
    28,780.23/43,142.64 = 14,746.89/x
  3. Step 3: Cross multiply
    28,780.23x = 43,142.64 × 14,746.89
  4. Step 4: Simplify right side
    28,780.23x = 636,219,766.39
  5. Step 5: Solve for x
    x = 636,219,766.39/28,780.23
  6. Step 6: Final answer
    x = 22,106.14

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1.5x scale

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.