Home / 26,620.16-39,927.12-6,897.20

Finding the Fourth Proportional to 26,620.16, 39,927.12 and 6,897.20

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Solution

The fourth proportional to 26,620.16, 39,927.12 and 6,897.20 is: 10,344.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,620.16 : 39,927.12 = 6,897.20 : x
  2. Step 2: Convert to fraction form
    26,620.16/39,927.12 = 6,897.20/x
  3. Step 3: Cross multiply
    26,620.16x = 39,927.12 × 6,897.20
  4. Step 4: Simplify right side
    26,620.16x = 275,385,332.06
  5. Step 5: Solve for x
    x = 275,385,332.06/26,620.16
  6. Step 6: Final answer
    x = 10,344.99

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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.