Home / 28,199.28-42,318.06-15,061.08

Finding the Fourth Proportional to 28,199.28, 42,318.06 and 15,061.08

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Solution

The fourth proportional to 28,199.28, 42,318.06 and 15,061.08 is: 22,601.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,199.28 : 42,318.06 = 15,061.08 : x
  2. Step 2: Convert to fraction form
    28,199.28/42,318.06 = 15,061.08/x
  3. Step 3: Cross multiply
    28,199.28x = 42,318.06 × 15,061.08
  4. Step 4: Simplify right side
    28,199.28x = 637,355,687.10
  5. Step 5: Solve for x
    x = 637,355,687.10/28,199.28
  6. Step 6: Final answer
    x = 22,601.84

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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.