Home / 19,948.15-27,526.26-12,774.79

Finding the Fourth Proportional to 19,948.15, 27,526.26 and 12,774.79

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Solution

The fourth proportional to 19,948.15, 27,526.26 and 12,774.79 is: 17,627.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.15 : 27,526.26 = 12,774.79 : x
  2. Step 2: Convert to fraction form
    19,948.15/27,526.26 = 12,774.79/x
  3. Step 3: Cross multiply
    19,948.15x = 27,526.26 × 12,774.79
  4. Step 4: Simplify right side
    19,948.15x = 351,642,190.99
  5. Step 5: Solve for x
    x = 351,642,190.99/19,948.15
  6. Step 6: Final answer
    x = 17,627.81

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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.