Home / 19,025.60-28,538.40-4,984.70

Finding the Fourth Proportional to 19,025.60, 28,538.40 and 4,984.70

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Solution

The fourth proportional to 19,025.60, 28,538.40 and 4,984.70 is: 7,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,025.60 : 28,538.40 = 4,984.70 : x
  2. Step 2: Convert to fraction form
    19,025.60/28,538.40 = 4,984.70/x
  3. Step 3: Cross multiply
    19,025.60x = 28,538.40 × 4,984.70
  4. Step 4: Simplify right side
    19,025.60x = 142,255,362.48
  5. Step 5: Solve for x
    x = 142,255,362.48/19,025.60
  6. Step 6: Final answer
    x = 7,477.05

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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.