Home / 27,862.56-38,428.86-19,364.58

Finding the Fourth Proportional to 27,862.56, 38,428.86 and 19,364.58

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Solution

The fourth proportional to 27,862.56, 38,428.86 and 19,364.58 is: 26,708.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,862.56 : 38,428.86 = 19,364.58 : x
  2. Step 2: Convert to fraction form
    27,862.56/38,428.86 = 19,364.58/x
  3. Step 3: Cross multiply
    27,862.56x = 38,428.86 × 19,364.58
  4. Step 4: Simplify right side
    27,862.56x = 744,158,733.78
  5. Step 5: Solve for x
    x = 744,158,733.78/27,862.56
  6. Step 6: Final answer
    x = 26,708.20

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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.