Home / 28,669.66-42,987.46-10,901.62

Finding the Fourth Proportional to 28,669.66, 42,987.46 and 10,901.62

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Solution

The fourth proportional to 28,669.66, 42,987.46 and 10,901.62 is: 16,345.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,669.66 : 42,987.46 = 10,901.62 : x
  2. Step 2: Convert to fraction form
    28,669.66/42,987.46 = 10,901.62/x
  3. Step 3: Cross multiply
    28,669.66x = 42,987.46 × 10,901.62
  4. Step 4: Simplify right side
    28,669.66x = 468,632,953.69
  5. Step 5: Solve for x
    x = 468,632,953.69/28,669.66
  6. Step 6: Final answer
    x = 16,345.95

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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.