Home / 28,969.80-43,454.70-9,250.35

Finding the Fourth Proportional to 28,969.80, 43,454.70 and 9,250.35

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Solution

The fourth proportional to 28,969.80, 43,454.70 and 9,250.35 is: 13,875.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969.80 : 43,454.70 = 9,250.35 : x
  2. Step 2: Convert to fraction form
    28,969.80/43,454.70 = 9,250.35/x
  3. Step 3: Cross multiply
    28,969.80x = 43,454.70 × 9,250.35
  4. Step 4: Simplify right side
    28,969.80x = 401,971,184.15
  5. Step 5: Solve for x
    x = 401,971,184.15/28,969.80
  6. Step 6: Final answer
    x = 13,875.53

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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.