Home / 28,054.54-38,715.94-16,117.57

Finding the Fourth Proportional to 28,054.54, 38,715.94 and 16,117.57

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Solution

The fourth proportional to 28,054.54, 38,715.94 and 16,117.57 is: 22,242.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,054.54 : 38,715.94 = 16,117.57 : x
  2. Step 2: Convert to fraction form
    28,054.54/38,715.94 = 16,117.57/x
  3. Step 3: Cross multiply
    28,054.54x = 38,715.94 × 16,117.57
  4. Step 4: Simplify right side
    28,054.54x = 624,006,873.07
  5. Step 5: Solve for x
    x = 624,006,873.07/28,054.54
  6. Step 6: Final answer
    x = 22,242.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.