Home / 28,980.66-43,467.36-9,257.58

Finding the Fourth Proportional to 28,980.66, 43,467.36 and 9,257.58

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Solution

The fourth proportional to 28,980.66, 43,467.36 and 9,257.58 is: 13,885.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,980.66 : 43,467.36 = 9,257.58 : x
  2. Step 2: Convert to fraction form
    28,980.66/43,467.36 = 9,257.58/x
  3. Step 3: Cross multiply
    28,980.66x = 43,467.36 × 9,257.58
  4. Step 4: Simplify right side
    28,980.66x = 402,402,562.59
  5. Step 5: Solve for x
    x = 402,402,562.59/28,980.66
  6. Step 6: Final answer
    x = 13,885.21

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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.