Home / 28,287.72-39,047.94-18,852.84

Finding the Fourth Proportional to 28,287.72, 39,047.94 and 18,852.84

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Solution

The fourth proportional to 28,287.72, 39,047.94 and 18,852.84 is: 26,024.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,287.72 : 39,047.94 = 18,852.84 : x
  2. Step 2: Convert to fraction form
    28,287.72/39,047.94 = 18,852.84/x
  3. Step 3: Cross multiply
    28,287.72x = 39,047.94 × 18,852.84
  4. Step 4: Simplify right side
    28,287.72x = 736,164,565.15
  5. Step 5: Solve for x
    x = 736,164,565.15/28,287.72
  6. Step 6: Final answer
    x = 26,024.17

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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.