Home / 28,655.72-43,000.30-12,014.46

Finding the Fourth Proportional to 28,655.72, 43,000.30 and 12,014.46

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Solution

The fourth proportional to 28,655.72, 43,000.30 and 12,014.46 is: 18,028.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,655.72 : 43,000.30 = 12,014.46 : x
  2. Step 2: Convert to fraction form
    28,655.72/43,000.30 = 12,014.46/x
  3. Step 3: Cross multiply
    28,655.72x = 43,000.30 × 12,014.46
  4. Step 4: Simplify right side
    28,655.72x = 516,625,384.34
  5. Step 5: Solve for x
    x = 516,625,384.34/28,655.72
  6. Step 6: Final answer
    x = 18,028.70

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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.