Home / 25,973.61-38,950.69-20,491.53

Finding the Fourth Proportional to 25,973.61, 38,950.69 and 20,491.53

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Solution

The fourth proportional to 25,973.61, 38,950.69 and 20,491.53 is: 30,729.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,973.61 : 38,950.69 = 20,491.53 : x
  2. Step 2: Convert to fraction form
    25,973.61/38,950.69 = 20,491.53/x
  3. Step 3: Cross multiply
    25,973.61x = 38,950.69 × 20,491.53
  4. Step 4: Simplify right side
    25,973.61x = 798,159,232.66
  5. Step 5: Solve for x
    x = 798,159,232.66/25,973.61
  6. Step 6: Final answer
    x = 30,729.62

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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.