Home / 25,980.21-38,970.32-6,258.76

Finding the Fourth Proportional to 25,980.21, 38,970.32 and 6,258.76

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Solution

The fourth proportional to 25,980.21, 38,970.32 and 6,258.76 is: 9,388.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,980.21 : 38,970.32 = 6,258.76 : x
  2. Step 2: Convert to fraction form
    25,980.21/38,970.32 = 6,258.76/x
  3. Step 3: Cross multiply
    25,980.21x = 38,970.32 × 6,258.76
  4. Step 4: Simplify right side
    25,980.21x = 243,905,880.00
  5. Step 5: Solve for x
    x = 243,905,880.00/25,980.21
  6. Step 6: Final answer
    x = 9,388.14

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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.