Home / 28,429.23-42,643.86-15,958.02

Finding the Fourth Proportional to 28,429.23, 42,643.86 and 15,958.02

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Solution

The fourth proportional to 28,429.23, 42,643.86 and 15,958.02 is: 23,937.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,429.23 : 42,643.86 = 15,958.02 : x
  2. Step 2: Convert to fraction form
    28,429.23/42,643.86 = 15,958.02/x
  3. Step 3: Cross multiply
    28,429.23x = 42,643.86 × 15,958.02
  4. Step 4: Simplify right side
    28,429.23x = 680,511,570.76
  5. Step 5: Solve for x
    x = 680,511,570.76/28,429.23
  6. Step 6: Final answer
    x = 23,937.04

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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.