Home / 28,059.30-42,059.36-9,334.32

Finding the Fourth Proportional to 28,059.30, 42,059.36 and 9,334.32

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Solution

The fourth proportional to 28,059.30, 42,059.36 and 9,334.32 is: 13,991.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,059.30 : 42,059.36 = 9,334.32 : x
  2. Step 2: Convert to fraction form
    28,059.30/42,059.36 = 9,334.32/x
  3. Step 3: Cross multiply
    28,059.30x = 42,059.36 × 9,334.32
  4. Step 4: Simplify right side
    28,059.30x = 392,595,525.24
  5. Step 5: Solve for x
    x = 392,595,525.24/28,059.30
  6. Step 6: Final answer
    x = 13,991.64

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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.