Home / 25,478.29-35,160.63-14,147.50

Finding the Fourth Proportional to 25,478.29, 35,160.63 and 14,147.50

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Solution

The fourth proportional to 25,478.29, 35,160.63 and 14,147.50 is: 19,523.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,478.29 : 35,160.63 = 14,147.50 : x
  2. Step 2: Convert to fraction form
    25,478.29/35,160.63 = 14,147.50/x
  3. Step 3: Cross multiply
    25,478.29x = 35,160.63 × 14,147.50
  4. Step 4: Simplify right side
    25,478.29x = 497,435,012.93
  5. Step 5: Solve for x
    x = 497,435,012.93/25,478.29
  6. Step 6: Final answer
    x = 19,523.88

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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.