Home / 28,225.18-42,254.72-18,841.93

Finding the Fourth Proportional to 28,225.18, 42,254.72 and 18,841.93

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Solution

The fourth proportional to 28,225.18, 42,254.72 and 18,841.93 is: 28,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,225.18 : 42,254.72 = 18,841.93 : x
  2. Step 2: Convert to fraction form
    28,225.18/42,254.72 = 18,841.93/x
  3. Step 3: Cross multiply
    28,225.18x = 42,254.72 × 18,841.93
  4. Step 4: Simplify right side
    28,225.18x = 796,160,265.14
  5. Step 5: Solve for x
    x = 796,160,265.14/28,225.18
  6. Step 6: Final answer
    x = 28,207.45

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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.