Home / 25,435.92-38,130.12-13,750.32

Finding the Fourth Proportional to 25,435.92, 38,130.12 and 13,750.32

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Solution

The fourth proportional to 25,435.92, 38,130.12 and 13,750.32 is: 20,612.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,435.92 : 38,130.12 = 13,750.32 : x
  2. Step 2: Convert to fraction form
    25,435.92/38,130.12 = 13,750.32/x
  3. Step 3: Cross multiply
    25,435.92x = 38,130.12 × 13,750.32
  4. Step 4: Simplify right side
    25,435.92x = 524,301,351.64
  5. Step 5: Solve for x
    x = 524,301,351.64/25,435.92
  6. Step 6: Final answer
    x = 20,612.64

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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.