Home / 28,901.13-43,351.69-8,124.63

Finding the Fourth Proportional to 28,901.13, 43,351.69 and 8,124.63

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Solution

The fourth proportional to 28,901.13, 43,351.69 and 8,124.63 is: 12,186.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.13 : 43,351.69 = 8,124.63 : x
  2. Step 2: Convert to fraction form
    28,901.13/43,351.69 = 8,124.63/x
  3. Step 3: Cross multiply
    28,901.13x = 43,351.69 × 8,124.63
  4. Step 4: Simplify right side
    28,901.13x = 352,216,441.12
  5. Step 5: Solve for x
    x = 352,216,441.12/28,901.13
  6. Step 6: Final answer
    x = 12,186.94

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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.