Home / 26,666.23-39,985.90-8,890.58

Finding the Fourth Proportional to 26,666.23, 39,985.90 and 8,890.58

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Solution

The fourth proportional to 26,666.23, 39,985.90 and 8,890.58 is: 13,331.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,666.23 : 39,985.90 = 8,890.58 : x
  2. Step 2: Convert to fraction form
    26,666.23/39,985.90 = 8,890.58/x
  3. Step 3: Cross multiply
    26,666.23x = 39,985.90 × 8,890.58
  4. Step 4: Simplify right side
    26,666.23x = 355,497,842.82
  5. Step 5: Solve for x
    x = 355,497,842.82/26,666.23
  6. Step 6: Final answer
    x = 13,331.39

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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.