Home / 28,692.32-39,594.63-15,945.18

Finding the Fourth Proportional to 28,692.32, 39,594.63 and 15,945.18

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Solution

The fourth proportional to 28,692.32, 39,594.63 and 15,945.18 is: 22,003.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692.32 : 39,594.63 = 15,945.18 : x
  2. Step 2: Convert to fraction form
    28,692.32/39,594.63 = 15,945.18/x
  3. Step 3: Cross multiply
    28,692.32x = 39,594.63 × 15,945.18
  4. Step 4: Simplify right side
    28,692.32x = 631,343,502.38
  5. Step 5: Solve for x
    x = 631,343,502.38/28,692.32
  6. Step 6: Final answer
    x = 22,003.92

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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.