Home / 28,323.66-42,485.55-8,602.36

Finding the Fourth Proportional to 28,323.66, 42,485.55 and 8,602.36

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Solution

The fourth proportional to 28,323.66, 42,485.55 and 8,602.36 is: 12,903.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,323.66 : 42,485.55 = 8,602.36 : x
  2. Step 2: Convert to fraction form
    28,323.66/42,485.55 = 8,602.36/x
  3. Step 3: Cross multiply
    28,323.66x = 42,485.55 × 8,602.36
  4. Step 4: Simplify right side
    28,323.66x = 365,475,995.90
  5. Step 5: Solve for x
    x = 365,475,995.90/28,323.66
  6. Step 6: Final answer
    x = 12,903.56

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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.