Home / 28,520.24-42,765.06-15,873.98

Finding the Fourth Proportional to 28,520.24, 42,765.06 and 15,873.98

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Solution

The fourth proportional to 28,520.24, 42,765.06 and 15,873.98 is: 23,802.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,520.24 : 42,765.06 = 15,873.98 : x
  2. Step 2: Convert to fraction form
    28,520.24/42,765.06 = 15,873.98/x
  3. Step 3: Cross multiply
    28,520.24x = 42,765.06 × 15,873.98
  4. Step 4: Simplify right side
    28,520.24x = 678,851,707.14
  5. Step 5: Solve for x
    x = 678,851,707.14/28,520.24
  6. Step 6: Final answer
    x = 23,802.45

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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.