Home / 26,663.57-39,997.08-7,688.70

Finding the Fourth Proportional to 26,663.57, 39,997.08 and 7,688.70

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Solution

The fourth proportional to 26,663.57, 39,997.08 and 7,688.70 is: 11,533.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,663.57 : 39,997.08 = 7,688.70 : x
  2. Step 2: Convert to fraction form
    26,663.57/39,997.08 = 7,688.70/x
  3. Step 3: Cross multiply
    26,663.57x = 39,997.08 × 7,688.70
  4. Step 4: Simplify right side
    26,663.57x = 307,525,549.00
  5. Step 5: Solve for x
    x = 307,525,549.00/26,663.57
  6. Step 6: Final answer
    x = 11,533.55

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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.