Home / 26,628-39,936.52-12,582.06

Finding the Fourth Proportional to 26,628, 39,936.52 and 12,582.06

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Solution

The fourth proportional to 26,628, 39,936.52 and 12,582.06 is: 18,870.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,628 : 39,936.52 = 12,582.06 : x
  2. Step 2: Convert to fraction form
    26,628/39,936.52 = 12,582.06/x
  3. Step 3: Cross multiply
    26,628x = 39,936.52 × 12,582.06
  4. Step 4: Simplify right side
    26,628x = 502,483,690.83
  5. Step 5: Solve for x
    x = 502,483,690.83/26,628
  6. Step 6: Final answer
    x = 18,870.50

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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.