Home / 26,869.28-40,294.35-7,888.64

Finding the Fourth Proportional to 26,869.28, 40,294.35 and 7,888.64

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Solution

The fourth proportional to 26,869.28, 40,294.35 and 7,888.64 is: 11,830.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,869.28 : 40,294.35 = 7,888.64 : x
  2. Step 2: Convert to fraction form
    26,869.28/40,294.35 = 7,888.64/x
  3. Step 3: Cross multiply
    26,869.28x = 40,294.35 × 7,888.64
  4. Step 4: Simplify right side
    26,869.28x = 317,867,419.71
  5. Step 5: Solve for x
    x = 317,867,419.71/26,869.28
  6. Step 6: Final answer
    x = 11,830.15

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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.