Home / 28,583.16-42,902.30-13,802.44

Finding the Fourth Proportional to 28,583.16, 42,902.30 and 13,802.44

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Solution

The fourth proportional to 28,583.16, 42,902.30 and 13,802.44 is: 20,716.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,583.16 : 42,902.30 = 13,802.44 : x
  2. Step 2: Convert to fraction form
    28,583.16/42,902.30 = 13,802.44/x
  3. Step 3: Cross multiply
    28,583.16x = 42,902.30 × 13,802.44
  4. Step 4: Simplify right side
    28,583.16x = 592,156,421.61
  5. Step 5: Solve for x
    x = 592,156,421.61/28,583.16
  6. Step 6: Final answer
    x = 20,716.97

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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.