Home / 20,328.77-28,062.55-14,590.33

Finding the Fourth Proportional to 20,328.77, 28,062.55 and 14,590.33

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Solution

The fourth proportional to 20,328.77, 28,062.55 and 14,590.33 is: 20,141.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,328.77 : 28,062.55 = 14,590.33 : x
  2. Step 2: Convert to fraction form
    20,328.77/28,062.55 = 14,590.33/x
  3. Step 3: Cross multiply
    20,328.77x = 28,062.55 × 14,590.33
  4. Step 4: Simplify right side
    20,328.77x = 409,441,813.22
  5. Step 5: Solve for x
    x = 409,441,813.22/20,328.77
  6. Step 6: Final answer
    x = 20,141.00

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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.