Home / 28,358.70-42,552.69-13,564.62

Finding the Fourth Proportional to 28,358.70, 42,552.69 and 13,564.62

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Solution

The fourth proportional to 28,358.70, 42,552.69 and 13,564.62 is: 20,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,358.70 : 42,552.69 = 13,564.62 : x
  2. Step 2: Convert to fraction form
    28,358.70/42,552.69 = 13,564.62/x
  3. Step 3: Cross multiply
    28,358.70x = 42,552.69 × 13,564.62
  4. Step 4: Simplify right side
    28,358.70x = 577,211,069.83
  5. Step 5: Solve for x
    x = 577,211,069.83/28,358.70
  6. Step 6: Final answer
    x = 20,353.93

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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.