Home / 28,780.48-43,158.39-10,054.90

Finding the Fourth Proportional to 28,780.48, 43,158.39 and 10,054.90

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Solution

The fourth proportional to 28,780.48, 43,158.39 and 10,054.90 is: 15,078.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,780.48 : 43,158.39 = 10,054.90 : x
  2. Step 2: Convert to fraction form
    28,780.48/43,158.39 = 10,054.90/x
  3. Step 3: Cross multiply
    28,780.48x = 43,158.39 × 10,054.90
  4. Step 4: Simplify right side
    28,780.48x = 433,953,295.61
  5. Step 5: Solve for x
    x = 433,953,295.61/28,780.48
  6. Step 6: Final answer
    x = 15,078.04

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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.