Home / 20,554.95-28,365.75-11,602.41

Finding the Fourth Proportional to 20,554.95, 28,365.75 and 11,602.41

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Solution

The fourth proportional to 20,554.95, 28,365.75 and 11,602.41 is: 16,011.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554.95 : 28,365.75 = 11,602.41 : x
  2. Step 2: Convert to fraction form
    20,554.95/28,365.75 = 11,602.41/x
  3. Step 3: Cross multiply
    20,554.95x = 28,365.75 × 11,602.41
  4. Step 4: Simplify right side
    20,554.95x = 329,111,061.46
  5. Step 5: Solve for x
    x = 329,111,061.46/20,554.95
  6. Step 6: Final answer
    x = 16,011.28

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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.