Home / 19,427.28-29,078.24-10,054.40

Finding the Fourth Proportional to 19,427.28, 29,078.24 and 10,054.40

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Solution

The fourth proportional to 19,427.28, 29,078.24 and 10,054.40 is: 15,049.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.28 : 29,078.24 = 10,054.40 : x
  2. Step 2: Convert to fraction form
    19,427.28/29,078.24 = 10,054.40/x
  3. Step 3: Cross multiply
    19,427.28x = 29,078.24 × 10,054.40
  4. Step 4: Simplify right side
    19,427.28x = 292,364,256.26
  5. Step 5: Solve for x
    x = 292,364,256.26/19,427.28
  6. Step 6: Final answer
    x = 15,049.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.