Home / 28,897.70-43,346.55-17,816.90

Finding the Fourth Proportional to 28,897.70, 43,346.55 and 17,816.90

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Solution

The fourth proportional to 28,897.70, 43,346.55 and 17,816.90 is: 26,725.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,897.70 : 43,346.55 = 17,816.90 : x
  2. Step 2: Convert to fraction form
    28,897.70/43,346.55 = 17,816.90/x
  3. Step 3: Cross multiply
    28,897.70x = 43,346.55 × 17,816.90
  4. Step 4: Simplify right side
    28,897.70x = 772,301,146.70
  5. Step 5: Solve for x
    x = 772,301,146.70/28,897.70
  6. Step 6: Final answer
    x = 26,725.35

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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.