Home / 28,875.35-39,848.64-16,947.29

Finding the Fourth Proportional to 28,875.35, 39,848.64 and 16,947.29

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Solution

The fourth proportional to 28,875.35, 39,848.64 and 16,947.29 is: 23,387.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875.35 : 39,848.64 = 16,947.29 : x
  2. Step 2: Convert to fraction form
    28,875.35/39,848.64 = 16,947.29/x
  3. Step 3: Cross multiply
    28,875.35x = 39,848.64 × 16,947.29
  4. Step 4: Simplify right side
    28,875.35x = 675,326,458.19
  5. Step 5: Solve for x
    x = 675,326,458.19/28,875.35
  6. Step 6: Final answer
    x = 23,387.65

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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.