Home / 28,657.05-42,985.40-15,592.46

Finding the Fourth Proportional to 28,657.05, 42,985.40 and 15,592.46

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Solution

The fourth proportional to 28,657.05, 42,985.40 and 15,592.46 is: 23,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,657.05 : 42,985.40 = 15,592.46 : x
  2. Step 2: Convert to fraction form
    28,657.05/42,985.40 = 15,592.46/x
  3. Step 3: Cross multiply
    28,657.05x = 42,985.40 × 15,592.46
  4. Step 4: Simplify right side
    28,657.05x = 670,247,837.19
  5. Step 5: Solve for x
    x = 670,247,837.19/28,657.05
  6. Step 6: Final answer
    x = 23,388.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.