Home / 28,756.01-39,683.69-16,009.74

Finding the Fourth Proportional to 28,756.01, 39,683.69 and 16,009.74

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Solution

The fourth proportional to 28,756.01, 39,683.69 and 16,009.74 is: 22,093.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,756.01 : 39,683.69 = 16,009.74 : x
  2. Step 2: Convert to fraction form
    28,756.01/39,683.69 = 16,009.74/x
  3. Step 3: Cross multiply
    28,756.01x = 39,683.69 × 16,009.74
  4. Step 4: Simplify right side
    28,756.01x = 635,325,599.16
  5. Step 5: Solve for x
    x = 635,325,599.16/28,756.01
  6. Step 6: Final answer
    x = 22,093.67

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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.