Home / 23,389.79-32,268.74-14,421.72

Finding the Fourth Proportional to 23,389.79, 32,268.74 and 14,421.72

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Solution

The fourth proportional to 23,389.79, 32,268.74 and 14,421.72 is: 19,896.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,389.79 : 32,268.74 = 14,421.72 : x
  2. Step 2: Convert to fraction form
    23,389.79/32,268.74 = 14,421.72/x
  3. Step 3: Cross multiply
    23,389.79x = 32,268.74 × 14,421.72
  4. Step 4: Simplify right side
    23,389.79x = 465,370,535.63
  5. Step 5: Solve for x
    x = 465,370,535.63/23,389.79
  6. Step 6: Final answer
    x = 19,896.31

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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.