Home / 28,803.40-39,748.86-16,057.41

Finding the Fourth Proportional to 28,803.40, 39,748.86 and 16,057.41

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Solution

The fourth proportional to 28,803.40, 39,748.86 and 16,057.41 is: 22,159.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803.40 : 39,748.86 = 16,057.41 : x
  2. Step 2: Convert to fraction form
    28,803.40/39,748.86 = 16,057.41/x
  3. Step 3: Cross multiply
    28,803.40x = 39,748.86 × 16,057.41
  4. Step 4: Simplify right side
    28,803.40x = 638,263,592.99
  5. Step 5: Solve for x
    x = 638,263,592.99/28,803.40
  6. Step 6: Final answer
    x = 22,159.32

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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.