Home / 15,933.66-21,828.86-15,341.82

Finding the Fourth Proportional to 15,933.66, 21,828.86 and 15,341.82

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Solution

The fourth proportional to 15,933.66, 21,828.86 and 15,341.82 is: 21,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,933.66 : 21,828.86 = 15,341.82 : x
  2. Step 2: Convert to fraction form
    15,933.66/21,828.86 = 15,341.82/x
  3. Step 3: Cross multiply
    15,933.66x = 21,828.86 × 15,341.82
  4. Step 4: Simplify right side
    15,933.66x = 334,894,364.22
  5. Step 5: Solve for x
    x = 334,894,364.22/15,933.66
  6. Step 6: Final answer
    x = 21,018.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.