Home / 28,897.17-43,370.46-20,597.51

Finding the Fourth Proportional to 28,897.17, 43,370.46 and 20,597.51

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Solution

The fourth proportional to 28,897.17, 43,370.46 and 20,597.51 is: 30,913.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,897.17 : 43,370.46 = 20,597.51 : x
  2. Step 2: Convert to fraction form
    28,897.17/43,370.46 = 20,597.51/x
  3. Step 3: Cross multiply
    28,897.17x = 43,370.46 × 20,597.51
  4. Step 4: Simplify right side
    28,897.17x = 893,323,266.70
  5. Step 5: Solve for x
    x = 893,323,266.70/28,897.17
  6. Step 6: Final answer
    x = 30,913.87

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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.