Home / 26,665.98-39,985.53-8,890.33

Finding the Fourth Proportional to 26,665.98, 39,985.53 and 8,890.33

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Solution

The fourth proportional to 26,665.98, 39,985.53 and 8,890.33 is: 13,331.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,665.98 : 39,985.53 = 8,890.33 : x
  2. Step 2: Convert to fraction form
    26,665.98/39,985.53 = 8,890.33/x
  3. Step 3: Cross multiply
    26,665.98x = 39,985.53 × 8,890.33
  4. Step 4: Simplify right side
    26,665.98x = 355,484,512.47
  5. Step 5: Solve for x
    x = 355,484,512.47/26,665.98
  6. Step 6: Final answer
    x = 13,331.01

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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.