Home / 28,045.07-42,070.04-8,054.67

Finding the Fourth Proportional to 28,045.07, 42,070.04 and 8,054.67

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Solution

The fourth proportional to 28,045.07, 42,070.04 and 8,054.67 is: 12,082.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045.07 : 42,070.04 = 8,054.67 : x
  2. Step 2: Convert to fraction form
    28,045.07/42,070.04 = 8,054.67/x
  3. Step 3: Cross multiply
    28,045.07x = 42,070.04 × 8,054.67
  4. Step 4: Simplify right side
    28,045.07x = 338,860,248.81
  5. Step 5: Solve for x
    x = 338,860,248.81/28,045.07
  6. Step 6: Final answer
    x = 12,082.71

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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.