Home / 27,870.89-41,768.66-15,372.18

Finding the Fourth Proportional to 27,870.89, 41,768.66 and 15,372.18

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Solution

The fourth proportional to 27,870.89, 41,768.66 and 15,372.18 is: 23,037.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,870.89 : 41,768.66 = 15,372.18 : x
  2. Step 2: Convert to fraction form
    27,870.89/41,768.66 = 15,372.18/x
  3. Step 3: Cross multiply
    27,870.89x = 41,768.66 × 15,372.18
  4. Step 4: Simplify right side
    27,870.89x = 642,075,398.31
  5. Step 5: Solve for x
    x = 642,075,398.31/27,870.89
  6. Step 6: Final answer
    x = 23,037.50

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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.