Home / 19,254.40-28,867.20-10,499.20

Finding the Fourth Proportional to 19,254.40, 28,867.20 and 10,499.20

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Solution

The fourth proportional to 19,254.40, 28,867.20 and 10,499.20 is: 15,740.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,254.40 : 28,867.20 = 10,499.20 : x
  2. Step 2: Convert to fraction form
    19,254.40/28,867.20 = 10,499.20/x
  3. Step 3: Cross multiply
    19,254.40x = 28,867.20 × 10,499.20
  4. Step 4: Simplify right side
    19,254.40x = 303,082,506.24
  5. Step 5: Solve for x
    x = 303,082,506.24/19,254.40
  6. Step 6: Final answer
    x = 15,740.95

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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.