Home / 19,580.64-27,025.47-15,323.28

Finding the Fourth Proportional to 19,580.64, 27,025.47 and 15,323.28

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Solution

The fourth proportional to 19,580.64, 27,025.47 and 15,323.28 is: 21,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.64 : 27,025.47 = 15,323.28 : x
  2. Step 2: Convert to fraction form
    19,580.64/27,025.47 = 15,323.28/x
  3. Step 3: Cross multiply
    19,580.64x = 27,025.47 × 15,323.28
  4. Step 4: Simplify right side
    19,580.64x = 414,118,843.94
  5. Step 5: Solve for x
    x = 414,118,843.94/19,580.64
  6. Step 6: Final answer
    x = 21,149.40

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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.