Home / 28,673.80-43,010.70-26,535.40

Finding the Fourth Proportional to 28,673.80, 43,010.70 and 26,535.40

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Solution

The fourth proportional to 28,673.80, 43,010.70 and 26,535.40 is: 39,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,673.80 : 43,010.70 = 26,535.40 : x
  2. Step 2: Convert to fraction form
    28,673.80/43,010.70 = 26,535.40/x
  3. Step 3: Cross multiply
    28,673.80x = 43,010.70 × 26,535.40
  4. Step 4: Simplify right side
    28,673.80x = 1,141,306,128.78
  5. Step 5: Solve for x
    x = 1,141,306,128.78/28,673.80
  6. Step 6: Final answer
    x = 39,803.10

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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.