Home / 28,302.40-42,395.80-13,466.48

Finding the Fourth Proportional to 28,302.40, 42,395.80 and 13,466.48

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Solution

The fourth proportional to 28,302.40, 42,395.80 and 13,466.48 is: 20,172.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,302.40 : 42,395.80 = 13,466.48 : x
  2. Step 2: Convert to fraction form
    28,302.40/42,395.80 = 13,466.48/x
  3. Step 3: Cross multiply
    28,302.40x = 42,395.80 × 13,466.48
  4. Step 4: Simplify right side
    28,302.40x = 570,922,192.78
  5. Step 5: Solve for x
    x = 570,922,192.78/28,302.40
  6. Step 6: Final answer
    x = 20,172.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.