Home / 28,397.69-42,596.58-28,356.68

Finding the Fourth Proportional to 28,397.69, 42,596.58 and 28,356.68

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Solution

The fourth proportional to 28,397.69, 42,596.58 and 28,356.68 is: 42,535.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397.69 : 42,596.58 = 28,356.68 : x
  2. Step 2: Convert to fraction form
    28,397.69/42,596.58 = 28,356.68/x
  3. Step 3: Cross multiply
    28,397.69x = 42,596.58 × 28,356.68
  4. Step 4: Simplify right side
    28,397.69x = 1,207,897,800.98
  5. Step 5: Solve for x
    x = 1,207,897,800.98/28,397.69
  6. Step 6: Final answer
    x = 42,535.07

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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.