Home / 19,250.54-28,823.90-12,570.49

Finding the Fourth Proportional to 19,250.54, 28,823.90 and 12,570.49

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Solution

The fourth proportional to 19,250.54, 28,823.90 and 12,570.49 is: 18,821.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,250.54 : 28,823.90 = 12,570.49 : x
  2. Step 2: Convert to fraction form
    19,250.54/28,823.90 = 12,570.49/x
  3. Step 3: Cross multiply
    19,250.54x = 28,823.90 × 12,570.49
  4. Step 4: Simplify right side
    19,250.54x = 362,330,483.86
  5. Step 5: Solve for x
    x = 362,330,483.86/19,250.54
  6. Step 6: Final answer
    x = 18,821.84

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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.