Home / 26,393.08-39,590.12-12,345.36

Finding the Fourth Proportional to 26,393.08, 39,590.12 and 12,345.36

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Solution

The fourth proportional to 26,393.08, 39,590.12 and 12,345.36 is: 18,518.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,393.08 : 39,590.12 = 12,345.36 : x
  2. Step 2: Convert to fraction form
    26,393.08/39,590.12 = 12,345.36/x
  3. Step 3: Cross multiply
    26,393.08x = 39,590.12 × 12,345.36
  4. Step 4: Simplify right side
    26,393.08x = 488,754,283.84
  5. Step 5: Solve for x
    x = 488,754,283.84/26,393.08
  6. Step 6: Final answer
    x = 18,518.27

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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.