Home / 28,184.68-42,277.54-10,172.18

Finding the Fourth Proportional to 28,184.68, 42,277.54 and 10,172.18

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Solution

The fourth proportional to 28,184.68, 42,277.54 and 10,172.18 is: 15,258.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184.68 : 42,277.54 = 10,172.18 : x
  2. Step 2: Convert to fraction form
    28,184.68/42,277.54 = 10,172.18/x
  3. Step 3: Cross multiply
    28,184.68x = 42,277.54 × 10,172.18
  4. Step 4: Simplify right side
    28,184.68x = 430,054,817.56
  5. Step 5: Solve for x
    x = 430,054,817.56/28,184.68
  6. Step 6: Final answer
    x = 15,258.46

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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.