Home / 28,802.05-39,742.01-16,052.45

Finding the Fourth Proportional to 28,802.05, 39,742.01 and 16,052.45

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Solution

The fourth proportional to 28,802.05, 39,742.01 and 16,052.45 is: 22,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,802.05 : 39,742.01 = 16,052.45 : x
  2. Step 2: Convert to fraction form
    28,802.05/39,742.01 = 16,052.45/x
  3. Step 3: Cross multiply
    28,802.05x = 39,742.01 × 16,052.45
  4. Step 4: Simplify right side
    28,802.05x = 637,956,628.42
  5. Step 5: Solve for x
    x = 637,956,628.42/28,802.05
  6. Step 6: Final answer
    x = 22,149.70

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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.