Home / 25,911.60-38,863.56-9,284.40

Finding the Fourth Proportional to 25,911.60, 38,863.56 and 9,284.40

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Solution

The fourth proportional to 25,911.60, 38,863.56 and 9,284.40 is: 13,925.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,911.60 : 38,863.56 = 9,284.40 : x
  2. Step 2: Convert to fraction form
    25,911.60/38,863.56 = 9,284.40/x
  3. Step 3: Cross multiply
    25,911.60x = 38,863.56 × 9,284.40
  4. Step 4: Simplify right side
    25,911.60x = 360,824,836.46
  5. Step 5: Solve for x
    x = 360,824,836.46/25,911.60
  6. Step 6: Final answer
    x = 13,925.22

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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.