Home / 27,862.08-38,428.20-19,364.08

Finding the Fourth Proportional to 27,862.08, 38,428.20 and 19,364.08

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Solution

The fourth proportional to 27,862.08, 38,428.20 and 19,364.08 is: 26,707.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,862.08 : 38,428.20 = 19,364.08 : x
  2. Step 2: Convert to fraction form
    27,862.08/38,428.20 = 19,364.08/x
  3. Step 3: Cross multiply
    27,862.08x = 38,428.20 × 19,364.08
  4. Step 4: Simplify right side
    27,862.08x = 744,126,739.06
  5. Step 5: Solve for x
    x = 744,126,739.06/27,862.08
  6. Step 6: Final answer
    x = 26,707.51

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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.