Home / 28,316.72-42,475.04-9,596.80

Finding the Fourth Proportional to 28,316.72, 42,475.04 and 9,596.80

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Solution

The fourth proportional to 28,316.72, 42,475.04 and 9,596.80 is: 14,395.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,316.72 : 42,475.04 = 9,596.80 : x
  2. Step 2: Convert to fraction form
    28,316.72/42,475.04 = 9,596.80/x
  3. Step 3: Cross multiply
    28,316.72x = 42,475.04 × 9,596.80
  4. Step 4: Simplify right side
    28,316.72x = 407,624,463.87
  5. Step 5: Solve for x
    x = 407,624,463.87/28,316.72
  6. Step 6: Final answer
    x = 14,395.19

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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.