Home / 25,389.30-35,032.56-14,782.38

Finding the Fourth Proportional to 25,389.30, 35,032.56 and 14,782.38

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Solution

The fourth proportional to 25,389.30, 35,032.56 and 14,782.38 is: 20,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,389.30 : 35,032.56 = 14,782.38 : x
  2. Step 2: Convert to fraction form
    25,389.30/35,032.56 = 14,782.38/x
  3. Step 3: Cross multiply
    25,389.30x = 35,032.56 × 14,782.38
  4. Step 4: Simplify right side
    25,389.30x = 517,864,614.29
  5. Step 5: Solve for x
    x = 517,864,614.29/25,389.30
  6. Step 6: Final answer
    x = 20,396.96

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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.