Home / 28,119.06-42,154.02-14,980.86

Finding the Fourth Proportional to 28,119.06, 42,154.02 and 14,980.86

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Solution

The fourth proportional to 28,119.06, 42,154.02 and 14,980.86 is: 22,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,119.06 : 42,154.02 = 14,980.86 : x
  2. Step 2: Convert to fraction form
    28,119.06/42,154.02 = 14,980.86/x
  3. Step 3: Cross multiply
    28,119.06x = 42,154.02 × 14,980.86
  4. Step 4: Simplify right side
    28,119.06x = 631,503,472.06
  5. Step 5: Solve for x
    x = 631,503,472.06/28,119.06
  6. Step 6: Final answer
    x = 22,458.20

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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.