Home / 28,783.20-39,722.85-16,037.22

Finding the Fourth Proportional to 28,783.20, 39,722.85 and 16,037.22

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Solution

The fourth proportional to 28,783.20, 39,722.85 and 16,037.22 is: 22,132.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,783.20 : 39,722.85 = 16,037.22 : x
  2. Step 2: Convert to fraction form
    28,783.20/39,722.85 = 16,037.22/x
  3. Step 3: Cross multiply
    28,783.20x = 39,722.85 × 16,037.22
  4. Step 4: Simplify right side
    28,783.20x = 637,044,084.48
  5. Step 5: Solve for x
    x = 637,044,084.48/28,783.20
  6. Step 6: Final answer
    x = 22,132.50

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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.