Home / 28,802.17-39,742.18-16,052.57

Finding the Fourth Proportional to 28,802.17, 39,742.18 and 16,052.57

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Solution

The fourth proportional to 28,802.17, 39,742.18 and 16,052.57 is: 22,149.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,802.17 : 39,742.18 = 16,052.57 : x
  2. Step 2: Convert to fraction form
    28,802.17/39,742.18 = 16,052.57/x
  3. Step 3: Cross multiply
    28,802.17x = 39,742.18 × 16,052.57
  4. Step 4: Simplify right side
    28,802.17x = 637,964,126.40
  5. Step 5: Solve for x
    x = 637,964,126.40/28,802.17
  6. Step 6: Final answer
    x = 22,149.86

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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.