Home / 19,225.60-28,807.35-10,880.80

Finding the Fourth Proportional to 19,225.60, 28,807.35 and 10,880.80

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Solution

The fourth proportional to 19,225.60, 28,807.35 and 10,880.80 is: 16,303.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,225.60 : 28,807.35 = 10,880.80 : x
  2. Step 2: Convert to fraction form
    19,225.60/28,807.35 = 10,880.80/x
  3. Step 3: Cross multiply
    19,225.60x = 28,807.35 × 10,880.80
  4. Step 4: Simplify right side
    19,225.60x = 313,447,013.88
  5. Step 5: Solve for x
    x = 313,447,013.88/19,225.60
  6. Step 6: Final answer
    x = 16,303.63

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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.