Home / 28,063.36-38,735.40-16,588.90

Finding the Fourth Proportional to 28,063.36, 38,735.40 and 16,588.90

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Solution

The fourth proportional to 28,063.36, 38,735.40 and 16,588.90 is: 22,897.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,063.36 : 38,735.40 = 16,588.90 : x
  2. Step 2: Convert to fraction form
    28,063.36/38,735.40 = 16,588.90/x
  3. Step 3: Cross multiply
    28,063.36x = 38,735.40 × 16,588.90
  4. Step 4: Simplify right side
    28,063.36x = 642,577,677.06
  5. Step 5: Solve for x
    x = 642,577,677.06/28,063.36
  6. Step 6: Final answer
    x = 22,897.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.