Home / 28,602.88-42,920.43-22,345.35

Finding the Fourth Proportional to 28,602.88, 42,920.43 and 22,345.35

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Solution

The fourth proportional to 28,602.88, 42,920.43 and 22,345.35 is: 33,530.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,602.88 : 42,920.43 = 22,345.35 : x
  2. Step 2: Convert to fraction form
    28,602.88/42,920.43 = 22,345.35/x
  3. Step 3: Cross multiply
    28,602.88x = 42,920.43 × 22,345.35
  4. Step 4: Simplify right side
    28,602.88x = 959,072,030.50
  5. Step 5: Solve for x
    x = 959,072,030.50/28,602.88
  6. Step 6: Final answer
    x = 33,530.61

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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.