Home / 26,590.10-39,885.15-9,079.70

Finding the Fourth Proportional to 26,590.10, 39,885.15 and 9,079.70

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Solution

The fourth proportional to 26,590.10, 39,885.15 and 9,079.70 is: 13,619.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,590.10 : 39,885.15 = 9,079.70 : x
  2. Step 2: Convert to fraction form
    26,590.10/39,885.15 = 9,079.70/x
  3. Step 3: Cross multiply
    26,590.10x = 39,885.15 × 9,079.70
  4. Step 4: Simplify right side
    26,590.10x = 362,145,196.46
  5. Step 5: Solve for x
    x = 362,145,196.46/26,590.10
  6. Step 6: Final answer
    x = 13,619.55

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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.