Home / 28,878.84-43,335.54-26,528.76

Finding the Fourth Proportional to 28,878.84, 43,335.54 and 26,528.76

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Solution

The fourth proportional to 28,878.84, 43,335.54 and 26,528.76 is: 39,809.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,878.84 : 43,335.54 = 26,528.76 : x
  2. Step 2: Convert to fraction form
    28,878.84/43,335.54 = 26,528.76/x
  3. Step 3: Cross multiply
    28,878.84x = 43,335.54 × 26,528.76
  4. Step 4: Simplify right side
    28,878.84x = 1,149,638,140.13
  5. Step 5: Solve for x
    x = 1,149,638,140.13/28,878.84
  6. Step 6: Final answer
    x = 39,809.01

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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.