Home / 25,268.80-37,903.20-12,114.40

Finding the Fourth Proportional to 25,268.80, 37,903.20 and 12,114.40

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Solution

The fourth proportional to 25,268.80, 37,903.20 and 12,114.40 is: 18,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,268.80 : 37,903.20 = 12,114.40 : x
  2. Step 2: Convert to fraction form
    25,268.80/37,903.20 = 12,114.40/x
  3. Step 3: Cross multiply
    25,268.80x = 37,903.20 × 12,114.40
  4. Step 4: Simplify right side
    25,268.80x = 459,174,526.08
  5. Step 5: Solve for x
    x = 459,174,526.08/25,268.80
  6. Step 6: Final answer
    x = 18,171.60

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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.