Home / 26,484.44-39,666.14-12,643.16

Finding the Fourth Proportional to 26,484.44, 39,666.14 and 12,643.16

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Solution

The fourth proportional to 26,484.44, 39,666.14 and 12,643.16 is: 18,935.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,484.44 : 39,666.14 = 12,643.16 : x
  2. Step 2: Convert to fraction form
    26,484.44/39,666.14 = 12,643.16/x
  3. Step 3: Cross multiply
    26,484.44x = 39,666.14 × 12,643.16
  4. Step 4: Simplify right side
    26,484.44x = 501,505,354.60
  5. Step 5: Solve for x
    x = 501,505,354.60/26,484.44
  6. Step 6: Final answer
    x = 18,935.85

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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.