Home / 28,990.26-43,501.80-12,348.56

Finding the Fourth Proportional to 28,990.26, 43,501.80 and 12,348.56

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Solution

The fourth proportional to 28,990.26, 43,501.80 and 12,348.56 is: 18,529.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,990.26 : 43,501.80 = 12,348.56 : x
  2. Step 2: Convert to fraction form
    28,990.26/43,501.80 = 12,348.56/x
  3. Step 3: Cross multiply
    28,990.26x = 43,501.80 × 12,348.56
  4. Step 4: Simplify right side
    28,990.26x = 537,184,587.41
  5. Step 5: Solve for x
    x = 537,184,587.41/28,990.26
  6. Step 6: Final answer
    x = 18,529.83

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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.