Home / 28,346.66-39,118.74-15,601.31

Finding the Fourth Proportional to 28,346.66, 39,118.74 and 15,601.31

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Solution

The fourth proportional to 28,346.66, 39,118.74 and 15,601.31 is: 21,530.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346.66 : 39,118.74 = 15,601.31 : x
  2. Step 2: Convert to fraction form
    28,346.66/39,118.74 = 15,601.31/x
  3. Step 3: Cross multiply
    28,346.66x = 39,118.74 × 15,601.31
  4. Step 4: Simplify right side
    28,346.66x = 610,303,589.55
  5. Step 5: Solve for x
    x = 610,303,589.55/28,346.66
  6. Step 6: Final answer
    x = 21,530.00

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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.