Home / 27,084.79-40,628.07-9,315.27

Finding the Fourth Proportional to 27,084.79, 40,628.07 and 9,315.27

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Solution

The fourth proportional to 27,084.79, 40,628.07 and 9,315.27 is: 13,973.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,084.79 : 40,628.07 = 9,315.27 : x
  2. Step 2: Convert to fraction form
    27,084.79/40,628.07 = 9,315.27/x
  3. Step 3: Cross multiply
    27,084.79x = 40,628.07 × 9,315.27
  4. Step 4: Simplify right side
    27,084.79x = 378,461,441.63
  5. Step 5: Solve for x
    x = 378,461,441.63/27,084.79
  6. Step 6: Final answer
    x = 13,973.21

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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.