Home / 19,085.65-28,631.07-6,602.32

Finding the Fourth Proportional to 19,085.65, 28,631.07 and 6,602.32

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Solution

The fourth proportional to 19,085.65, 28,631.07 and 6,602.32 is: 9,904.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,085.65 : 28,631.07 = 6,602.32 : x
  2. Step 2: Convert to fraction form
    19,085.65/28,631.07 = 6,602.32/x
  3. Step 3: Cross multiply
    19,085.65x = 28,631.07 × 6,602.32
  4. Step 4: Simplify right side
    19,085.65x = 189,031,486.08
  5. Step 5: Solve for x
    x = 189,031,486.08/19,085.65
  6. Step 6: Final answer
    x = 9,904.38

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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.