Home / 28,877.51-39,873.53-22,152.50

Finding the Fourth Proportional to 28,877.51, 39,873.53 and 22,152.50

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Solution

The fourth proportional to 28,877.51, 39,873.53 and 22,152.50 is: 30,587.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877.51 : 39,873.53 = 22,152.50 : x
  2. Step 2: Convert to fraction form
    28,877.51/39,873.53 = 22,152.50/x
  3. Step 3: Cross multiply
    28,877.51x = 39,873.53 × 22,152.50
  4. Step 4: Simplify right side
    28,877.51x = 883,298,262.56
  5. Step 5: Solve for x
    x = 883,298,262.56/28,877.51
  6. Step 6: Final answer
    x = 30,587.76

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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.