Home / 28,441.13-42,661.54-7,381.15

Finding the Fourth Proportional to 28,441.13, 42,661.54 and 7,381.15

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Solution

The fourth proportional to 28,441.13, 42,661.54 and 7,381.15 is: 11,071.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441.13 : 42,661.54 = 7,381.15 : x
  2. Step 2: Convert to fraction form
    28,441.13/42,661.54 = 7,381.15/x
  3. Step 3: Cross multiply
    28,441.13x = 42,661.54 × 7,381.15
  4. Step 4: Simplify right side
    28,441.13x = 314,891,207.01
  5. Step 5: Solve for x
    x = 314,891,207.01/28,441.13
  6. Step 6: Final answer
    x = 11,071.69

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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.