Home / 28,265.10-42,396.18-10,499.16

Finding the Fourth Proportional to 28,265.10, 42,396.18 and 10,499.16

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Solution

The fourth proportional to 28,265.10, 42,396.18 and 10,499.16 is: 15,748.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,265.10 : 42,396.18 = 10,499.16 : x
  2. Step 2: Convert to fraction form
    28,265.10/42,396.18 = 10,499.16/x
  3. Step 3: Cross multiply
    28,265.10x = 42,396.18 × 10,499.16
  4. Step 4: Simplify right side
    28,265.10x = 445,124,277.21
  5. Step 5: Solve for x
    x = 445,124,277.21/28,265.10
  6. Step 6: Final answer
    x = 15,748.19

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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.