Home / 28,894.98-43,349.76-13,323.54

Finding the Fourth Proportional to 28,894.98, 43,349.76 and 13,323.54

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Solution

The fourth proportional to 28,894.98, 43,349.76 and 13,323.54 is: 19,988.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,894.98 : 43,349.76 = 13,323.54 : x
  2. Step 2: Convert to fraction form
    28,894.98/43,349.76 = 13,323.54/x
  3. Step 3: Cross multiply
    28,894.98x = 43,349.76 × 13,323.54
  4. Step 4: Simplify right side
    28,894.98x = 577,572,261.35
  5. Step 5: Solve for x
    x = 577,572,261.35/28,894.98
  6. Step 6: Final answer
    x = 19,988.67

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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.