Home / 25,280.12-37,920.19-10,485.06

Finding the Fourth Proportional to 25,280.12, 37,920.19 and 10,485.06

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Solution

The fourth proportional to 25,280.12, 37,920.19 and 10,485.06 is: 15,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,280.12 : 37,920.19 = 10,485.06 : x
  2. Step 2: Convert to fraction form
    25,280.12/37,920.19 = 10,485.06/x
  3. Step 3: Cross multiply
    25,280.12x = 37,920.19 × 10,485.06
  4. Step 4: Simplify right side
    25,280.12x = 397,595,588.37
  5. Step 5: Solve for x
    x = 397,595,588.37/25,280.12
  6. Step 6: Final answer
    x = 15,727.60

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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.