Home / 28,154.34-38,846.45-16,827.50

Finding the Fourth Proportional to 28,154.34, 38,846.45 and 16,827.50

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Solution

The fourth proportional to 28,154.34, 38,846.45 and 16,827.50 is: 23,218.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,154.34 : 38,846.45 = 16,827.50 : x
  2. Step 2: Convert to fraction form
    28,154.34/38,846.45 = 16,827.50/x
  3. Step 3: Cross multiply
    28,154.34x = 38,846.45 × 16,827.50
  4. Step 4: Simplify right side
    28,154.34x = 653,688,359.01
  5. Step 5: Solve for x
    x = 653,688,359.01/28,154.34
  6. Step 6: Final answer
    x = 23,218.03

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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.