Home / 20,554.32-28,323.08-14,182.86

Finding the Fourth Proportional to 20,554.32, 28,323.08 and 14,182.86

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Solution

The fourth proportional to 20,554.32, 28,323.08 and 14,182.86 is: 19,543.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554.32 : 28,323.08 = 14,182.86 : x
  2. Step 2: Convert to fraction form
    20,554.32/28,323.08 = 14,182.86/x
  3. Step 3: Cross multiply
    20,554.32x = 28,323.08 × 14,182.86
  4. Step 4: Simplify right side
    20,554.32x = 401,702,278.41
  5. Step 5: Solve for x
    x = 401,702,278.41/20,554.32
  6. Step 6: Final answer
    x = 19,543.45

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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.