Home / 26,991.28-37,246.80-19,915.12

Finding the Fourth Proportional to 26,991.28, 37,246.80 and 19,915.12

Calculator

Solution

The fourth proportional to 26,991.28, 37,246.80 and 19,915.12 is: 27,482.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,991.28 : 37,246.80 = 19,915.12 : x
  2. Step 2: Convert to fraction form
    26,991.28/37,246.80 = 19,915.12/x
  3. Step 3: Cross multiply
    26,991.28x = 37,246.80 × 19,915.12
  4. Step 4: Simplify right side
    26,991.28x = 741,774,491.62
  5. Step 5: Solve for x
    x = 741,774,491.62/26,991.28
  6. Step 6: Final answer
    x = 27,482.00

Related Problems

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.