Home / 19,458.72-26,853.24-11,075.28

Finding the Fourth Proportional to 19,458.72, 26,853.24 and 11,075.28

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Solution

The fourth proportional to 19,458.72, 26,853.24 and 11,075.28 is: 15,284.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458.72 : 26,853.24 = 11,075.28 : x
  2. Step 2: Convert to fraction form
    19,458.72/26,853.24 = 11,075.28/x
  3. Step 3: Cross multiply
    19,458.72x = 26,853.24 × 11,075.28
  4. Step 4: Simplify right side
    19,458.72x = 297,407,151.91
  5. Step 5: Solve for x
    x = 297,407,151.91/19,458.72
  6. Step 6: Final answer
    x = 15,284.00

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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.