Home / 28,782.14-39,722.26-16,037.40

Finding the Fourth Proportional to 28,782.14, 39,722.26 and 16,037.40

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Solution

The fourth proportional to 28,782.14, 39,722.26 and 16,037.40 is: 22,133.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,782.14 : 39,722.26 = 16,037.40 : x
  2. Step 2: Convert to fraction form
    28,782.14/39,722.26 = 16,037.40/x
  3. Step 3: Cross multiply
    28,782.14x = 39,722.26 × 16,037.40
  4. Step 4: Simplify right side
    28,782.14x = 637,041,772.52
  5. Step 5: Solve for x
    x = 637,041,772.52/28,782.14
  6. Step 6: Final answer
    x = 22,133.23

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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.