Home / 19,246.40-28,869.60-16,427.60

Finding the Fourth Proportional to 19,246.40, 28,869.60 and 16,427.60

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Solution

The fourth proportional to 19,246.40, 28,869.60 and 16,427.60 is: 24,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,246.40 : 28,869.60 = 16,427.60 : x
  2. Step 2: Convert to fraction form
    19,246.40/28,869.60 = 16,427.60/x
  3. Step 3: Cross multiply
    19,246.40x = 28,869.60 × 16,427.60
  4. Step 4: Simplify right side
    19,246.40x = 474,258,240.96
  5. Step 5: Solve for x
    x = 474,258,240.96/19,246.40
  6. Step 6: Final answer
    x = 24,641.40

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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.