Home / 26,864.25-40,303.21-15,780.32

Finding the Fourth Proportional to 26,864.25, 40,303.21 and 15,780.32

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Solution

The fourth proportional to 26,864.25, 40,303.21 and 15,780.32 is: 23,674.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,864.25 : 40,303.21 = 15,780.32 : x
  2. Step 2: Convert to fraction form
    26,864.25/40,303.21 = 15,780.32/x
  3. Step 3: Cross multiply
    26,864.25x = 40,303.21 × 15,780.32
  4. Step 4: Simplify right side
    26,864.25x = 635,997,349.31
  5. Step 5: Solve for x
    x = 635,997,349.31/26,864.25
  6. Step 6: Final answer
    x = 23,674.49

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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.