Home / 28,665.95-43,000.91-12,009.24

Finding the Fourth Proportional to 28,665.95, 43,000.91 and 12,009.24

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Solution

The fourth proportional to 28,665.95, 43,000.91 and 12,009.24 is: 18,014.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,665.95 : 43,000.91 = 12,009.24 : x
  2. Step 2: Convert to fraction form
    28,665.95/43,000.91 = 12,009.24/x
  3. Step 3: Cross multiply
    28,665.95x = 43,000.91 × 12,009.24
  4. Step 4: Simplify right side
    28,665.95x = 516,408,248.41
  5. Step 5: Solve for x
    x = 516,408,248.41/28,665.95
  6. Step 6: Final answer
    x = 18,014.69

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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.