Home / 25,485.60-38,228.40-17,709.60

Finding the Fourth Proportional to 25,485.60, 38,228.40 and 17,709.60

Calculator

Solution

The fourth proportional to 25,485.60, 38,228.40 and 17,709.60 is: 26,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,485.60 : 38,228.40 = 17,709.60 : x
  2. Step 2: Convert to fraction form
    25,485.60/38,228.40 = 17,709.60/x
  3. Step 3: Cross multiply
    25,485.60x = 38,228.40 × 17,709.60
  4. Step 4: Simplify right side
    25,485.60x = 677,009,672.64
  5. Step 5: Solve for x
    x = 677,009,672.64/25,485.60
  6. Step 6: Final answer
    x = 26,564.40

Related Problems

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.