Home / 28,570.15-39,426.37-15,995.35

Finding the Fourth Proportional to 28,570.15, 39,426.37 and 15,995.35

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Solution

The fourth proportional to 28,570.15, 39,426.37 and 15,995.35 is: 22,073.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,570.15 : 39,426.37 = 15,995.35 : x
  2. Step 2: Convert to fraction form
    28,570.15/39,426.37 = 15,995.35/x
  3. Step 3: Cross multiply
    28,570.15x = 39,426.37 × 15,995.35
  4. Step 4: Simplify right side
    28,570.15x = 630,638,587.38
  5. Step 5: Solve for x
    x = 630,638,587.38/28,570.15
  6. Step 6: Final answer
    x = 22,073.34

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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.