Home / 19,774.32-27,263.76-15,512.16

Finding the Fourth Proportional to 19,774.32, 27,263.76 and 15,512.16

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Solution

The fourth proportional to 19,774.32, 27,263.76 and 15,512.16 is: 21,387.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,774.32 : 27,263.76 = 15,512.16 : x
  2. Step 2: Convert to fraction form
    19,774.32/27,263.76 = 15,512.16/x
  3. Step 3: Cross multiply
    19,774.32x = 27,263.76 × 15,512.16
  4. Step 4: Simplify right side
    19,774.32x = 422,919,807.32
  5. Step 5: Solve for x
    x = 422,919,807.32/19,774.32
  6. Step 6: Final answer
    x = 21,387.32

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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.