Home / 28,999.81-43,510.08-17,893.57

Finding the Fourth Proportional to 28,999.81, 43,510.08 and 17,893.57

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Solution

The fourth proportional to 28,999.81, 43,510.08 and 17,893.57 is: 26,846.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.81 : 43,510.08 = 17,893.57 : x
  2. Step 2: Convert to fraction form
    28,999.81/43,510.08 = 17,893.57/x
  3. Step 3: Cross multiply
    28,999.81x = 43,510.08 × 17,893.57
  4. Step 4: Simplify right side
    28,999.81x = 778,550,662.19
  5. Step 5: Solve for x
    x = 778,550,662.19/28,999.81
  6. Step 6: Final answer
    x = 26,846.75

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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.