Home / 28,726.49-39,632.87-16,783.04

Finding the Fourth Proportional to 28,726.49, 39,632.87 and 16,783.04

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Solution

The fourth proportional to 28,726.49, 39,632.87 and 16,783.04 is: 23,154.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,726.49 : 39,632.87 = 16,783.04 : x
  2. Step 2: Convert to fraction form
    28,726.49/39,632.87 = 16,783.04/x
  3. Step 3: Cross multiply
    28,726.49x = 39,632.87 × 16,783.04
  4. Step 4: Simplify right side
    28,726.49x = 665,159,760.45
  5. Step 5: Solve for x
    x = 665,159,760.45/28,726.49
  6. Step 6: Final answer
    x = 23,154.93

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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.