Home / 28,694.77-39,598.74-15,947.55

Finding the Fourth Proportional to 28,694.77, 39,598.74 and 15,947.55

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Solution

The fourth proportional to 28,694.77, 39,598.74 and 15,947.55 is: 22,007.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,694.77 : 39,598.74 = 15,947.55 : x
  2. Step 2: Convert to fraction form
    28,694.77/39,598.74 = 15,947.55/x
  3. Step 3: Cross multiply
    28,694.77x = 39,598.74 × 15,947.55
  4. Step 4: Simplify right side
    28,694.77x = 631,502,797.40
  5. Step 5: Solve for x
    x = 631,502,797.40/28,694.77
  6. Step 6: Final answer
    x = 22,007.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.