Home / 19,085.32-28,628.79-5,234.32

Finding the Fourth Proportional to 19,085.32, 28,628.79 and 5,234.32

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Solution

The fourth proportional to 19,085.32, 28,628.79 and 5,234.32 is: 7,851.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,085.32 : 28,628.79 = 5,234.32 : x
  2. Step 2: Convert to fraction form
    19,085.32/28,628.79 = 5,234.32/x
  3. Step 3: Cross multiply
    19,085.32x = 28,628.79 × 5,234.32
  4. Step 4: Simplify right side
    19,085.32x = 149,852,248.07
  5. Step 5: Solve for x
    x = 149,852,248.07/19,085.32
  6. Step 6: Final answer
    x = 7,851.70

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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.