Home / 28,355.00-39,123.20-23,834.86

Finding the Fourth Proportional to 28,355.00, 39,123.20 and 23,834.86

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Solution

The fourth proportional to 28,355.00, 39,123.20 and 23,834.86 is: 32,886.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,355.00 : 39,123.20 = 23,834.86 : x
  2. Step 2: Convert to fraction form
    28,355.00/39,123.20 = 23,834.86/x
  3. Step 3: Cross multiply
    28,355.00x = 39,123.20 × 23,834.86
  4. Step 4: Simplify right side
    28,355.00x = 932,495,956.53
  5. Step 5: Solve for x
    x = 932,495,956.53/28,355.00
  6. Step 6: Final answer
    x = 32,886.48

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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.