Home / 25,615.08-35,353.80-15,005.88

Finding the Fourth Proportional to 25,615.08, 35,353.80 and 15,005.88

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Solution

The fourth proportional to 25,615.08, 35,353.80 and 15,005.88 is: 20,711.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,615.08 : 35,353.80 = 15,005.88 : x
  2. Step 2: Convert to fraction form
    25,615.08/35,353.80 = 15,005.88/x
  3. Step 3: Cross multiply
    25,615.08x = 35,353.80 × 15,005.88
  4. Step 4: Simplify right side
    25,615.08x = 530,514,880.34
  5. Step 5: Solve for x
    x = 530,514,880.34/25,615.08
  6. Step 6: Final answer
    x = 20,711.04

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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.