Home / 25,979.64-38,969.48-6,258.19

Finding the Fourth Proportional to 25,979.64, 38,969.48 and 6,258.19

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Solution

The fourth proportional to 25,979.64, 38,969.48 and 6,258.19 is: 9,387.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,979.64 : 38,969.48 = 6,258.19 : x
  2. Step 2: Convert to fraction form
    25,979.64/38,969.48 = 6,258.19/x
  3. Step 3: Cross multiply
    25,979.64x = 38,969.48 × 6,258.19
  4. Step 4: Simplify right side
    25,979.64x = 243,878,410.04
  5. Step 5: Solve for x
    x = 243,878,410.04/25,979.64
  6. Step 6: Final answer
    x = 9,387.29

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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.