Home / 28,814.49-43,220.21-8,823.98

Finding the Fourth Proportional to 28,814.49, 43,220.21 and 8,823.98

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Solution

The fourth proportional to 28,814.49, 43,220.21 and 8,823.98 is: 13,235.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,814.49 : 43,220.21 = 8,823.98 : x
  2. Step 2: Convert to fraction form
    28,814.49/43,220.21 = 8,823.98/x
  3. Step 3: Cross multiply
    28,814.49x = 43,220.21 × 8,823.98
  4. Step 4: Simplify right side
    28,814.49x = 381,374,008.41
  5. Step 5: Solve for x
    x = 381,374,008.41/28,814.49
  6. Step 6: Final answer
    x = 13,235.49

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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.