Home / 28,355.23-39,123.54-23,835.10

Finding the Fourth Proportional to 28,355.23, 39,123.54 and 23,835.10

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Solution

The fourth proportional to 28,355.23, 39,123.54 and 23,835.10 is: 32,886.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,355.23 : 39,123.54 = 23,835.10 : x
  2. Step 2: Convert to fraction form
    28,355.23/39,123.54 = 23,835.10/x
  3. Step 3: Cross multiply
    28,355.23x = 39,123.54 × 23,835.10
  4. Step 4: Simplify right side
    28,355.23x = 932,513,488.25
  5. Step 5: Solve for x
    x = 932,513,488.25/28,355.23
  6. Step 6: Final answer
    x = 32,886.83

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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.