Home / 27,419.16-37,839.12-15,482.67

Finding the Fourth Proportional to 27,419.16, 37,839.12 and 15,482.67

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Solution

The fourth proportional to 27,419.16, 37,839.12 and 15,482.67 is: 21,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,419.16 : 37,839.12 = 15,482.67 : x
  2. Step 2: Convert to fraction form
    27,419.16/37,839.12 = 15,482.67/x
  3. Step 3: Cross multiply
    27,419.16x = 37,839.12 × 15,482.67
  4. Step 4: Simplify right side
    27,419.16x = 585,850,608.05
  5. Step 5: Solve for x
    x = 585,850,608.05/27,419.16
  6. Step 6: Final answer
    x = 21,366.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.