Home / 20,294-27,953.67-14,315.19

Finding the Fourth Proportional to 20,294, 27,953.67 and 14,315.19

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Solution

The fourth proportional to 20,294, 27,953.67 and 14,315.19 is: 19,718.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,294 : 27,953.67 = 14,315.19 : x
  2. Step 2: Convert to fraction form
    20,294/27,953.67 = 14,315.19/x
  3. Step 3: Cross multiply
    20,294x = 27,953.67 × 14,315.19
  4. Step 4: Simplify right side
    20,294x = 400,162,097.25
  5. Step 5: Solve for x
    x = 400,162,097.25/20,294
  6. Step 6: Final answer
    x = 19,718.25

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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.