Home / 28,539.75-42,829.07-10,071.75

Finding the Fourth Proportional to 28,539.75, 42,829.07 and 10,071.75

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Solution

The fourth proportional to 28,539.75, 42,829.07 and 10,071.75 is: 15,114.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,539.75 : 42,829.07 = 10,071.75 : x
  2. Step 2: Convert to fraction form
    28,539.75/42,829.07 = 10,071.75/x
  3. Step 3: Cross multiply
    28,539.75x = 42,829.07 × 10,071.75
  4. Step 4: Simplify right side
    28,539.75x = 431,363,685.77
  5. Step 5: Solve for x
    x = 431,363,685.77/28,539.75
  6. Step 6: Final answer
    x = 15,114.49

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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.