Home / 26,530.08-39,758.58-13,391.16

Finding the Fourth Proportional to 26,530.08, 39,758.58 and 13,391.16

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Solution

The fourth proportional to 26,530.08, 39,758.58 and 13,391.16 is: 20,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,530.08 : 39,758.58 = 13,391.16 : x
  2. Step 2: Convert to fraction form
    26,530.08/39,758.58 = 13,391.16/x
  3. Step 3: Cross multiply
    26,530.08x = 39,758.58 × 13,391.16
  4. Step 4: Simplify right side
    26,530.08x = 532,413,506.15
  5. Step 5: Solve for x
    x = 532,413,506.15/26,530.08
  6. Step 6: Final answer
    x = 20,068.30

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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.