Home / 28,272.16-42,161.05-24,778.36

Finding the Fourth Proportional to 28,272.16, 42,161.05 and 24,778.36

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Solution

The fourth proportional to 28,272.16, 42,161.05 and 24,778.36 is: 36,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,272.16 : 42,161.05 = 24,778.36 : x
  2. Step 2: Convert to fraction form
    28,272.16/42,161.05 = 24,778.36/x
  3. Step 3: Cross multiply
    28,272.16x = 42,161.05 × 24,778.36
  4. Step 4: Simplify right side
    28,272.16x = 1,044,681,674.88
  5. Step 5: Solve for x
    x = 1,044,681,674.88/28,272.16
  6. Step 6: Final answer
    x = 36,950.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.