Home / 28,836.81-39,779.64-23,465.30

Finding the Fourth Proportional to 28,836.81, 39,779.64 and 23,465.30

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Solution

The fourth proportional to 28,836.81, 39,779.64 and 23,465.30 is: 32,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836.81 : 39,779.64 = 23,465.30 : x
  2. Step 2: Convert to fraction form
    28,836.81/39,779.64 = 23,465.30/x
  3. Step 3: Cross multiply
    28,836.81x = 39,779.64 × 23,465.30
  4. Step 4: Simplify right side
    28,836.81x = 933,440,987.59
  5. Step 5: Solve for x
    x = 933,440,987.59/28,836.81
  6. Step 6: Final answer
    x = 32,369.77

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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.