Home / 28,065.53-42,061.85-11,406.18

Finding the Fourth Proportional to 28,065.53, 42,061.85 and 11,406.18

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Solution

The fourth proportional to 28,065.53, 42,061.85 and 11,406.18 is: 17,094.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,065.53 : 42,061.85 = 11,406.18 : x
  2. Step 2: Convert to fraction form
    28,065.53/42,061.85 = 11,406.18/x
  3. Step 3: Cross multiply
    28,065.53x = 42,061.85 × 11,406.18
  4. Step 4: Simplify right side
    28,065.53x = 479,764,898.56
  5. Step 5: Solve for x
    x = 479,764,898.56/28,065.53
  6. Step 6: Final answer
    x = 17,094.45

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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.