Home / 28,352.87-39,124.41-16,417.02

Finding the Fourth Proportional to 28,352.87, 39,124.41 and 16,417.02

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Solution

The fourth proportional to 28,352.87, 39,124.41 and 16,417.02 is: 22,654.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352.87 : 39,124.41 = 16,417.02 : x
  2. Step 2: Convert to fraction form
    28,352.87/39,124.41 = 16,417.02/x
  3. Step 3: Cross multiply
    28,352.87x = 39,124.41 × 16,417.02
  4. Step 4: Simplify right side
    28,352.87x = 642,306,221.46
  5. Step 5: Solve for x
    x = 642,306,221.46/28,352.87
  6. Step 6: Final answer
    x = 22,654.01

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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.