Home / 26,638.38-36,755.10-15,307.02

Finding the Fourth Proportional to 26,638.38, 36,755.10 and 15,307.02

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Solution

The fourth proportional to 26,638.38, 36,755.10 and 15,307.02 is: 21,120.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,638.38 : 36,755.10 = 15,307.02 : x
  2. Step 2: Convert to fraction form
    26,638.38/36,755.10 = 15,307.02/x
  3. Step 3: Cross multiply
    26,638.38x = 36,755.10 × 15,307.02
  4. Step 4: Simplify right side
    26,638.38x = 562,611,050.80
  5. Step 5: Solve for x
    x = 562,611,050.80/26,638.38
  6. Step 6: Final answer
    x = 21,120.32

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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.