Home / 28,349.80-42,534.26-12,552.67

Finding the Fourth Proportional to 28,349.80, 42,534.26 and 12,552.67

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Solution

The fourth proportional to 28,349.80, 42,534.26 and 12,552.67 is: 18,833.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,349.80 : 42,534.26 = 12,552.67 : x
  2. Step 2: Convert to fraction form
    28,349.80/42,534.26 = 12,552.67/x
  3. Step 3: Cross multiply
    28,349.80x = 42,534.26 × 12,552.67
  4. Step 4: Simplify right side
    28,349.80x = 533,918,531.65
  5. Step 5: Solve for x
    x = 533,918,531.65/28,349.80
  6. Step 6: Final answer
    x = 18,833.24

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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.