Home / 28,852.08-39,822.28-18,762.96

Finding the Fourth Proportional to 28,852.08, 39,822.28 and 18,762.96

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Solution

The fourth proportional to 28,852.08, 39,822.28 and 18,762.96 is: 25,897.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,852.08 : 39,822.28 = 18,762.96 : x
  2. Step 2: Convert to fraction form
    28,852.08/39,822.28 = 18,762.96/x
  3. Step 3: Cross multiply
    28,852.08x = 39,822.28 × 18,762.96
  4. Step 4: Simplify right side
    28,852.08x = 747,183,846.75
  5. Step 5: Solve for x
    x = 747,183,846.75/28,852.08
  6. Step 6: Final answer
    x = 25,897.05

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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.