Home / 26,005.64-39,004.40-8,475.36

Finding the Fourth Proportional to 26,005.64, 39,004.40 and 8,475.36

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Solution

The fourth proportional to 26,005.64, 39,004.40 and 8,475.36 is: 12,711.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,005.64 : 39,004.40 = 8,475.36 : x
  2. Step 2: Convert to fraction form
    26,005.64/39,004.40 = 8,475.36/x
  3. Step 3: Cross multiply
    26,005.64x = 39,004.40 × 8,475.36
  4. Step 4: Simplify right side
    26,005.64x = 330,576,331.58
  5. Step 5: Solve for x
    x = 330,576,331.58/26,005.64
  6. Step 6: Final answer
    x = 12,711.72

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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.