Home / 17,907.40-24,688.02-15,108.04

Finding the Fourth Proportional to 17,907.40, 24,688.02 and 15,108.04

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Solution

The fourth proportional to 17,907.40, 24,688.02 and 15,108.04 is: 20,828.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,907.40 : 24,688.02 = 15,108.04 : x
  2. Step 2: Convert to fraction form
    17,907.40/24,688.02 = 15,108.04/x
  3. Step 3: Cross multiply
    17,907.40x = 24,688.02 × 15,108.04
  4. Step 4: Simplify right side
    17,907.40x = 372,987,593.68
  5. Step 5: Solve for x
    x = 372,987,593.68/17,907.40
  6. Step 6: Final answer
    x = 20,828.68

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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.