Home / 28,336.40-42,504.60-15,214.40

Finding the Fourth Proportional to 28,336.40, 42,504.60 and 15,214.40

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Solution

The fourth proportional to 28,336.40, 42,504.60 and 15,214.40 is: 22,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,336.40 : 42,504.60 = 15,214.40 : x
  2. Step 2: Convert to fraction form
    28,336.40/42,504.60 = 15,214.40/x
  3. Step 3: Cross multiply
    28,336.40x = 42,504.60 × 15,214.40
  4. Step 4: Simplify right side
    28,336.40x = 646,681,986.24
  5. Step 5: Solve for x
    x = 646,681,986.24/28,336.40
  6. Step 6: Final answer
    x = 22,821.60

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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.