Home / 28,477.65-39,292.50-16,533.79

Finding the Fourth Proportional to 28,477.65, 39,292.50 and 16,533.79

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Solution

The fourth proportional to 28,477.65, 39,292.50 and 16,533.79 is: 22,812.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,477.65 : 39,292.50 = 16,533.79 : x
  2. Step 2: Convert to fraction form
    28,477.65/39,292.50 = 16,533.79/x
  3. Step 3: Cross multiply
    28,477.65x = 39,292.50 × 16,533.79
  4. Step 4: Simplify right side
    28,477.65x = 649,653,943.58
  5. Step 5: Solve for x
    x = 649,653,943.58/28,477.65
  6. Step 6: Final answer
    x = 22,812.77

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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.