Home / 26,078.74-39,123.56-8,547.19

Finding the Fourth Proportional to 26,078.74, 39,123.56 and 8,547.19

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Solution

The fourth proportional to 26,078.74, 39,123.56 and 8,547.19 is: 12,822.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,078.74 : 39,123.56 = 8,547.19 : x
  2. Step 2: Convert to fraction form
    26,078.74/39,123.56 = 8,547.19/x
  3. Step 3: Cross multiply
    26,078.74x = 39,123.56 × 8,547.19
  4. Step 4: Simplify right side
    26,078.74x = 334,396,458.06
  5. Step 5: Solve for x
    x = 334,396,458.06/26,078.74
  6. Step 6: Final answer
    x = 12,822.57

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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.