Home / 25,313.65-37,993.70-12,842.35

Finding the Fourth Proportional to 25,313.65, 37,993.70 and 12,842.35

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Solution

The fourth proportional to 25,313.65, 37,993.70 and 12,842.35 is: 19,275.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,313.65 : 37,993.70 = 12,842.35 : x
  2. Step 2: Convert to fraction form
    25,313.65/37,993.70 = 12,842.35/x
  3. Step 3: Cross multiply
    25,313.65x = 37,993.70 × 12,842.35
  4. Step 4: Simplify right side
    25,313.65x = 487,928,393.20
  5. Step 5: Solve for x
    x = 487,928,393.20/25,313.65
  6. Step 6: Final answer
    x = 19,275.31

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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.