Home / 28,657.36-39,565.20-23,364.64

Finding the Fourth Proportional to 28,657.36, 39,565.20 and 23,364.64

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Solution

The fourth proportional to 28,657.36, 39,565.20 and 23,364.64 is: 32,257.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,657.36 : 39,565.20 = 23,364.64 : x
  2. Step 2: Convert to fraction form
    28,657.36/39,565.20 = 23,364.64/x
  3. Step 3: Cross multiply
    28,657.36x = 39,565.20 × 23,364.64
  4. Step 4: Simplify right side
    28,657.36x = 924,426,654.53
  5. Step 5: Solve for x
    x = 924,426,654.53/28,657.36
  6. Step 6: Final answer
    x = 32,257.91

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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.