Home / 19,853.52-27,397.80-10,901.28

Finding the Fourth Proportional to 19,853.52, 27,397.80 and 10,901.28

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Solution

The fourth proportional to 19,853.52, 27,397.80 and 10,901.28 is: 15,043.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,853.52 : 27,397.80 = 10,901.28 : x
  2. Step 2: Convert to fraction form
    19,853.52/27,397.80 = 10,901.28/x
  3. Step 3: Cross multiply
    19,853.52x = 27,397.80 × 10,901.28
  4. Step 4: Simplify right side
    19,853.52x = 298,671,089.18
  5. Step 5: Solve for x
    x = 298,671,089.18/19,853.52
  6. Step 6: Final answer
    x = 15,043.73

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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.