Home / 28,093.49-42,125.71-10,319.59

Finding the Fourth Proportional to 28,093.49, 42,125.71 and 10,319.59

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Solution

The fourth proportional to 28,093.49, 42,125.71 and 10,319.59 is: 15,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,093.49 : 42,125.71 = 10,319.59 : x
  2. Step 2: Convert to fraction form
    28,093.49/42,125.71 = 10,319.59/x
  3. Step 3: Cross multiply
    28,093.49x = 42,125.71 × 10,319.59
  4. Step 4: Simplify right side
    28,093.49x = 434,720,055.66
  5. Step 5: Solve for x
    x = 434,720,055.66/28,093.49
  6. Step 6: Final answer
    x = 15,474.05

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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.