Home / 28,012.09-42,030.55-14,681.92

Finding the Fourth Proportional to 28,012.09, 42,030.55 and 14,681.92

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Solution

The fourth proportional to 28,012.09, 42,030.55 and 14,681.92 is: 22,029.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,012.09 : 42,030.55 = 14,681.92 : x
  2. Step 2: Convert to fraction form
    28,012.09/42,030.55 = 14,681.92/x
  3. Step 3: Cross multiply
    28,012.09x = 42,030.55 × 14,681.92
  4. Step 4: Simplify right side
    28,012.09x = 617,089,172.66
  5. Step 5: Solve for x
    x = 617,089,172.66/28,012.09
  6. Step 6: Final answer
    x = 22,029.39

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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.