Home / 28,633.95-42,740.17-26,628.39

Finding the Fourth Proportional to 28,633.95, 42,740.17 and 26,628.39

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Solution

The fourth proportional to 28,633.95, 42,740.17 and 26,628.39 is: 39,746.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,633.95 : 42,740.17 = 26,628.39 : x
  2. Step 2: Convert to fraction form
    28,633.95/42,740.17 = 26,628.39/x
  3. Step 3: Cross multiply
    28,633.95x = 42,740.17 × 26,628.39
  4. Step 4: Simplify right side
    28,633.95x = 1,138,101,848.86
  5. Step 5: Solve for x
    x = 1,138,101,848.86/28,633.95
  6. Step 6: Final answer
    x = 39,746.59

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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.