Home / 25,942.40-35,813.28-15,335.36

Finding the Fourth Proportional to 25,942.40, 35,813.28 and 15,335.36

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Solution

The fourth proportional to 25,942.40, 35,813.28 and 15,335.36 is: 21,170.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,942.40 : 35,813.28 = 15,335.36 : x
  2. Step 2: Convert to fraction form
    25,942.40/35,813.28 = 15,335.36/x
  3. Step 3: Cross multiply
    25,942.40x = 35,813.28 × 15,335.36
  4. Step 4: Simplify right side
    25,942.40x = 549,209,541.58
  5. Step 5: Solve for x
    x = 549,209,541.58/25,942.40
  6. Step 6: Final answer
    x = 21,170.34

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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.