Home / 28,681.84-43,016.27-10,906.16

Finding the Fourth Proportional to 28,681.84, 43,016.27 and 10,906.16

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Solution

The fourth proportional to 28,681.84, 43,016.27 and 10,906.16 is: 16,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,681.84 : 43,016.27 = 10,906.16 : x
  2. Step 2: Convert to fraction form
    28,681.84/43,016.27 = 10,906.16/x
  3. Step 3: Cross multiply
    28,681.84x = 43,016.27 × 10,906.16
  4. Step 4: Simplify right side
    28,681.84x = 469,142,323.22
  5. Step 5: Solve for x
    x = 469,142,323.22/28,681.84
  6. Step 6: Final answer
    x = 16,356.77

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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.