Home / 19,467.77-26,878.34-14,983.61

Finding the Fourth Proportional to 19,467.77, 26,878.34 and 14,983.61

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Solution

The fourth proportional to 19,467.77, 26,878.34 and 14,983.61 is: 20,687.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,467.77 : 26,878.34 = 14,983.61 : x
  2. Step 2: Convert to fraction form
    19,467.77/26,878.34 = 14,983.61/x
  3. Step 3: Cross multiply
    19,467.77x = 26,878.34 × 14,983.61
  4. Step 4: Simplify right side
    19,467.77x = 402,734,467.07
  5. Step 5: Solve for x
    x = 402,734,467.07/19,467.77
  6. Step 6: Final answer
    x = 20,687.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.