Home / 28,988.26-43,498.80-12,346.56

Finding the Fourth Proportional to 28,988.26, 43,498.80 and 12,346.56

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Solution

The fourth proportional to 28,988.26, 43,498.80 and 12,346.56 is: 18,526.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,988.26 : 43,498.80 = 12,346.56 : x
  2. Step 2: Convert to fraction form
    28,988.26/43,498.80 = 12,346.56/x
  3. Step 3: Cross multiply
    28,988.26x = 43,498.80 × 12,346.56
  4. Step 4: Simplify right side
    28,988.26x = 537,060,544.13
  5. Step 5: Solve for x
    x = 537,060,544.13/28,988.26
  6. Step 6: Final answer
    x = 18,526.83

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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.