Home / 28,875.29-39,848.56-16,947.23

Finding the Fourth Proportional to 28,875.29, 39,848.56 and 16,947.23

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Solution

The fourth proportional to 28,875.29, 39,848.56 and 16,947.23 is: 23,387.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875.29 : 39,848.56 = 16,947.23 : x
  2. Step 2: Convert to fraction form
    28,875.29/39,848.56 = 16,947.23/x
  3. Step 3: Cross multiply
    28,875.29x = 39,848.56 × 16,947.23
  4. Step 4: Simplify right side
    28,875.29x = 675,322,768.74
  5. Step 5: Solve for x
    x = 675,322,768.74/28,875.29
  6. Step 6: Final answer
    x = 23,387.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.