Home / 27,911.08-38,477.46-19,950.40

Finding the Fourth Proportional to 27,911.08, 38,477.46 and 19,950.40

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Solution

The fourth proportional to 27,911.08, 38,477.46 and 19,950.40 is: 27,503.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,911.08 : 38,477.46 = 19,950.40 : x
  2. Step 2: Convert to fraction form
    27,911.08/38,477.46 = 19,950.40/x
  3. Step 3: Cross multiply
    27,911.08x = 38,477.46 × 19,950.40
  4. Step 4: Simplify right side
    27,911.08x = 767,640,717.98
  5. Step 5: Solve for x
    x = 767,640,717.98/27,911.08
  6. Step 6: Final answer
    x = 27,503.08

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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.