Home / 28,416.88-42,651.58-14,386.77

Finding the Fourth Proportional to 28,416.88, 42,651.58 and 14,386.77

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Solution

The fourth proportional to 28,416.88, 42,651.58 and 14,386.77 is: 21,593.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416.88 : 42,651.58 = 14,386.77 : x
  2. Step 2: Convert to fraction form
    28,416.88/42,651.58 = 14,386.77/x
  3. Step 3: Cross multiply
    28,416.88x = 42,651.58 × 14,386.77
  4. Step 4: Simplify right side
    28,416.88x = 613,618,471.60
  5. Step 5: Solve for x
    x = 613,618,471.60/28,416.88
  6. Step 6: Final answer
    x = 21,593.45

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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.