Home / 28,206.58-38,925.56-15,459.56

Finding the Fourth Proportional to 28,206.58, 38,925.56 and 15,459.56

Calculator

Solution

The fourth proportional to 28,206.58, 38,925.56 and 15,459.56 is: 21,334.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,206.58 : 38,925.56 = 15,459.56 : x
  2. Step 2: Convert to fraction form
    28,206.58/38,925.56 = 15,459.56/x
  3. Step 3: Cross multiply
    28,206.58x = 38,925.56 × 15,459.56
  4. Step 4: Simplify right side
    28,206.58x = 601,772,020.35
  5. Step 5: Solve for x
    x = 601,772,020.35/28,206.58
  6. Step 6: Final answer
    x = 21,334.46

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.