Home / 26,890.61-40,335.58-12,089.07

Finding the Fourth Proportional to 26,890.61, 40,335.58 and 12,089.07

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Solution

The fourth proportional to 26,890.61, 40,335.58 and 12,089.07 is: 18,133.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.61 : 40,335.58 = 12,089.07 : x
  2. Step 2: Convert to fraction form
    26,890.61/40,335.58 = 12,089.07/x
  3. Step 3: Cross multiply
    26,890.61x = 40,335.58 × 12,089.07
  4. Step 4: Simplify right side
    26,890.61x = 487,619,665.22
  5. Step 5: Solve for x
    x = 487,619,665.22/26,890.61
  6. Step 6: Final answer
    x = 18,133.46

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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.