Home / 28,875.60-39,848.99-16,947.54

Finding the Fourth Proportional to 28,875.60, 39,848.99 and 16,947.54

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Solution

The fourth proportional to 28,875.60, 39,848.99 and 16,947.54 is: 23,387.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875.60 : 39,848.99 = 16,947.54 : x
  2. Step 2: Convert to fraction form
    28,875.60/39,848.99 = 16,947.54/x
  3. Step 3: Cross multiply
    28,875.60x = 39,848.99 × 16,947.54
  4. Step 4: Simplify right side
    28,875.60x = 675,342,267.25
  5. Step 5: Solve for x
    x = 675,342,267.25/28,875.60
  6. Step 6: Final answer
    x = 23,387.99

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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.