Home / 28,875.14-39,848.34-16,947.08

Finding the Fourth Proportional to 28,875.14, 39,848.34 and 16,947.08

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Solution

The fourth proportional to 28,875.14, 39,848.34 and 16,947.08 is: 23,387.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875.14 : 39,848.34 = 16,947.08 : x
  2. Step 2: Convert to fraction form
    28,875.14/39,848.34 = 16,947.08/x
  3. Step 3: Cross multiply
    28,875.14x = 39,848.34 × 16,947.08
  4. Step 4: Simplify right side
    28,875.14x = 675,312,721.87
  5. Step 5: Solve for x
    x = 675,312,721.87/28,875.14
  6. Step 6: Final answer
    x = 23,387.34

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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.