Home / 19,351.29-26,720.14-15,562.32

Finding the Fourth Proportional to 19,351.29, 26,720.14 and 15,562.32

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Solution

The fourth proportional to 19,351.29, 26,720.14 and 15,562.32 is: 21,488.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.29 : 26,720.14 = 15,562.32 : x
  2. Step 2: Convert to fraction form
    19,351.29/26,720.14 = 15,562.32/x
  3. Step 3: Cross multiply
    19,351.29x = 26,720.14 × 15,562.32
  4. Step 4: Simplify right side
    19,351.29x = 415,827,369.12
  5. Step 5: Solve for x
    x = 415,827,369.12/19,351.29
  6. Step 6: Final answer
    x = 21,488.35

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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.