Home / 28,095.36-38,779.32-17,478.66

Finding the Fourth Proportional to 28,095.36, 38,779.32 and 17,478.66

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Solution

The fourth proportional to 28,095.36, 38,779.32 and 17,478.66 is: 24,125.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,095.36 : 38,779.32 = 17,478.66 : x
  2. Step 2: Convert to fraction form
    28,095.36/38,779.32 = 17,478.66/x
  3. Step 3: Cross multiply
    28,095.36x = 38,779.32 × 17,478.66
  4. Step 4: Simplify right side
    28,095.36x = 677,810,549.31
  5. Step 5: Solve for x
    x = 677,810,549.31/28,095.36
  6. Step 6: Final answer
    x = 24,125.36

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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.