Home / 28,099.84-42,155.93-10,569.67

Finding the Fourth Proportional to 28,099.84, 42,155.93 and 10,569.67

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Solution

The fourth proportional to 28,099.84, 42,155.93 and 10,569.67 is: 15,856.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,099.84 : 42,155.93 = 10,569.67 : x
  2. Step 2: Convert to fraction form
    28,099.84/42,155.93 = 10,569.67/x
  3. Step 3: Cross multiply
    28,099.84x = 42,155.93 × 10,569.67
  4. Step 4: Simplify right side
    28,099.84x = 445,574,268.64
  5. Step 5: Solve for x
    x = 445,574,268.64/28,099.84
  6. Step 6: Final answer
    x = 15,856.83

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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.