Home / 28,717.16-39,620.22-17,382.36

Finding the Fourth Proportional to 28,717.16, 39,620.22 and 17,382.36

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Solution

The fourth proportional to 28,717.16, 39,620.22 and 17,382.36 is: 23,981.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717.16 : 39,620.22 = 17,382.36 : x
  2. Step 2: Convert to fraction form
    28,717.16/39,620.22 = 17,382.36/x
  3. Step 3: Cross multiply
    28,717.16x = 39,620.22 × 17,382.36
  4. Step 4: Simplify right side
    28,717.16x = 688,692,927.32
  5. Step 5: Solve for x
    x = 688,692,927.32/28,717.16
  6. Step 6: Final answer
    x = 23,981.93

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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.