Home / 25,639.92-35,381.88-14,883.12

Finding the Fourth Proportional to 25,639.92, 35,381.88 and 14,883.12

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Solution

The fourth proportional to 25,639.92, 35,381.88 and 14,883.12 is: 20,538.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,639.92 : 35,381.88 = 14,883.12 : x
  2. Step 2: Convert to fraction form
    25,639.92/35,381.88 = 14,883.12/x
  3. Step 3: Cross multiply
    25,639.92x = 35,381.88 × 14,883.12
  4. Step 4: Simplify right side
    25,639.92x = 526,592,765.87
  5. Step 5: Solve for x
    x = 526,592,765.87/25,639.92
  6. Step 6: Final answer
    x = 20,538.00

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1.5x scale

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.