Home / 17,988.99-26,981.55-4,842.69

Finding the Fourth Proportional to 17,988.99, 26,981.55 and 4,842.69

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Solution

The fourth proportional to 17,988.99, 26,981.55 and 4,842.69 is: 7,263.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.99 : 26,981.55 = 4,842.69 : x
  2. Step 2: Convert to fraction form
    17,988.99/26,981.55 = 4,842.69/x
  3. Step 3: Cross multiply
    17,988.99x = 26,981.55 × 4,842.69
  4. Step 4: Simplify right side
    17,988.99x = 130,663,282.37
  5. Step 5: Solve for x
    x = 130,663,282.37/17,988.99
  6. Step 6: Final answer
    x = 7,263.51

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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.