Home / 26,438.48-39,649.08-8,903.60

Finding the Fourth Proportional to 26,438.48, 39,649.08 and 8,903.60

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Solution

The fourth proportional to 26,438.48, 39,649.08 and 8,903.60 is: 13,352.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.48 : 39,649.08 = 8,903.60 : x
  2. Step 2: Convert to fraction form
    26,438.48/39,649.08 = 8,903.60/x
  3. Step 3: Cross multiply
    26,438.48x = 39,649.08 × 8,903.60
  4. Step 4: Simplify right side
    26,438.48x = 353,019,548.69
  5. Step 5: Solve for x
    x = 353,019,548.69/26,438.48
  6. Step 6: Final answer
    x = 13,352.49

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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.