Home / 28,289.62-39,041.58-16,355.98

Finding the Fourth Proportional to 28,289.62, 39,041.58 and 16,355.98

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Solution

The fourth proportional to 28,289.62, 39,041.58 and 16,355.98 is: 22,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,289.62 : 39,041.58 = 16,355.98 : x
  2. Step 2: Convert to fraction form
    28,289.62/39,041.58 = 16,355.98/x
  3. Step 3: Cross multiply
    28,289.62x = 39,041.58 × 16,355.98
  4. Step 4: Simplify right side
    28,289.62x = 638,563,301.65
  5. Step 5: Solve for x
    x = 638,563,301.65/28,289.62
  6. Step 6: Final answer
    x = 22,572.35

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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.