Home / 28,653.53-42,993.18-15,490.49

Finding the Fourth Proportional to 28,653.53, 42,993.18 and 15,490.49

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Solution

The fourth proportional to 28,653.53, 42,993.18 and 15,490.49 is: 23,242.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,653.53 : 42,993.18 = 15,490.49 : x
  2. Step 2: Convert to fraction form
    28,653.53/42,993.18 = 15,490.49/x
  3. Step 3: Cross multiply
    28,653.53x = 42,993.18 × 15,490.49
  4. Step 4: Simplify right side
    28,653.53x = 665,985,209.89
  5. Step 5: Solve for x
    x = 665,985,209.89/28,653.53
  6. Step 6: Final answer
    x = 23,242.70

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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.