Home / 28,223.64-38,940.75-17,623.98

Finding the Fourth Proportional to 28,223.64, 38,940.75 and 17,623.98

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Solution

The fourth proportional to 28,223.64, 38,940.75 and 17,623.98 is: 24,316.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,223.64 : 38,940.75 = 17,623.98 : x
  2. Step 2: Convert to fraction form
    28,223.64/38,940.75 = 17,623.98/x
  3. Step 3: Cross multiply
    28,223.64x = 38,940.75 × 17,623.98
  4. Step 4: Simplify right side
    28,223.64x = 686,290,999.19
  5. Step 5: Solve for x
    x = 686,290,999.19/28,223.64
  6. Step 6: Final answer
    x = 24,316.18

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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.