Home / 28,595.05-39,460.02-15,848.44

Finding the Fourth Proportional to 28,595.05, 39,460.02 and 15,848.44

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Solution

The fourth proportional to 28,595.05, 39,460.02 and 15,848.44 is: 21,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,595.05 : 39,460.02 = 15,848.44 : x
  2. Step 2: Convert to fraction form
    28,595.05/39,460.02 = 15,848.44/x
  3. Step 3: Cross multiply
    28,595.05x = 39,460.02 × 15,848.44
  4. Step 4: Simplify right side
    28,595.05x = 625,379,759.37
  5. Step 5: Solve for x
    x = 625,379,759.37/28,595.05
  6. Step 6: Final answer
    x = 21,870.21

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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.