Home / 22,503.76-31,068.50-15,440.56

Finding the Fourth Proportional to 22,503.76, 31,068.50 and 15,440.56

Calculator

Solution

The fourth proportional to 22,503.76, 31,068.50 and 15,440.56 is: 21,317.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,503.76 : 31,068.50 = 15,440.56 : x
  2. Step 2: Convert to fraction form
    22,503.76/31,068.50 = 15,440.56/x
  3. Step 3: Cross multiply
    22,503.76x = 31,068.50 × 15,440.56
  4. Step 4: Simplify right side
    22,503.76x = 479,715,038.36
  5. Step 5: Solve for x
    x = 479,715,038.36/22,503.76
  6. Step 6: Final answer
    x = 21,317.11

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.