Home / 19,348.13-26,669.55-15,253.25

Finding the Fourth Proportional to 19,348.13, 26,669.55 and 15,253.25

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Solution

The fourth proportional to 19,348.13, 26,669.55 and 15,253.25 is: 21,025.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,348.13 : 26,669.55 = 15,253.25 : x
  2. Step 2: Convert to fraction form
    19,348.13/26,669.55 = 15,253.25/x
  3. Step 3: Cross multiply
    19,348.13x = 26,669.55 × 15,253.25
  4. Step 4: Simplify right side
    19,348.13x = 406,797,237.39
  5. Step 5: Solve for x
    x = 406,797,237.39/19,348.13
  6. Step 6: Final answer
    x = 21,025.14

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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.