Home / 28,592.86-39,448.70-17,258.05

Finding the Fourth Proportional to 28,592.86, 39,448.70 and 17,258.05

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Solution

The fourth proportional to 28,592.86, 39,448.70 and 17,258.05 is: 23,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,592.86 : 39,448.70 = 17,258.05 : x
  2. Step 2: Convert to fraction form
    28,592.86/39,448.70 = 17,258.05/x
  3. Step 3: Cross multiply
    28,592.86x = 39,448.70 × 17,258.05
  4. Step 4: Simplify right side
    28,592.86x = 680,807,560.76
  5. Step 5: Solve for x
    x = 680,807,560.76/28,592.86
  6. Step 6: Final answer
    x = 23,810.40

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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.