Home / 28,136.17-38,831.58-16,200.01

Finding the Fourth Proportional to 28,136.17, 38,831.58 and 16,200.01

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Solution

The fourth proportional to 28,136.17, 38,831.58 and 16,200.01 is: 22,358.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,136.17 : 38,831.58 = 16,200.01 : x
  2. Step 2: Convert to fraction form
    28,136.17/38,831.58 = 16,200.01/x
  3. Step 3: Cross multiply
    28,136.17x = 38,831.58 × 16,200.01
  4. Step 4: Simplify right side
    28,136.17x = 629,071,984.32
  5. Step 5: Solve for x
    x = 629,071,984.32/28,136.17
  6. Step 6: Final answer
    x = 22,358.12

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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.