Home / 28,904.40-39,841.92-23,590.08

Finding the Fourth Proportional to 28,904.40, 39,841.92 and 23,590.08

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Solution

The fourth proportional to 28,904.40, 39,841.92 and 23,590.08 is: 32,516.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.40 : 39,841.92 = 23,590.08 : x
  2. Step 2: Convert to fraction form
    28,904.40/39,841.92 = 23,590.08/x
  3. Step 3: Cross multiply
    28,904.40x = 39,841.92 × 23,590.08
  4. Step 4: Simplify right side
    28,904.40x = 939,874,080.15
  5. Step 5: Solve for x
    x = 939,874,080.15/28,904.40
  6. Step 6: Final answer
    x = 32,516.64

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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.