Home / 28,465.48-39,280.14-16,529.71

Finding the Fourth Proportional to 28,465.48, 39,280.14 and 16,529.71

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Solution

The fourth proportional to 28,465.48, 39,280.14 and 16,529.71 is: 22,809.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465.48 : 39,280.14 = 16,529.71 : x
  2. Step 2: Convert to fraction form
    28,465.48/39,280.14 = 16,529.71/x
  3. Step 3: Cross multiply
    28,465.48x = 39,280.14 × 16,529.71
  4. Step 4: Simplify right side
    28,465.48x = 649,289,126.56
  5. Step 5: Solve for x
    x = 649,289,126.56/28,465.48
  6. Step 6: Final answer
    x = 22,809.71

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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.