Home / 28,936.21-43,407.50-9,210.15

Finding the Fourth Proportional to 28,936.21, 43,407.50 and 9,210.15

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Solution

The fourth proportional to 28,936.21, 43,407.50 and 9,210.15 is: 13,816.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.21 : 43,407.50 = 9,210.15 : x
  2. Step 2: Convert to fraction form
    28,936.21/43,407.50 = 9,210.15/x
  3. Step 3: Cross multiply
    28,936.21x = 43,407.50 × 9,210.15
  4. Step 4: Simplify right side
    28,936.21x = 399,789,586.13
  5. Step 5: Solve for x
    x = 399,789,586.13/28,936.21
  6. Step 6: Final answer
    x = 13,816.24

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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.