Home / 25,669.18-35,420.90-14,336.88

Finding the Fourth Proportional to 25,669.18, 35,420.90 and 14,336.88

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Solution

The fourth proportional to 25,669.18, 35,420.90 and 14,336.88 is: 19,783.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,669.18 : 35,420.90 = 14,336.88 : x
  2. Step 2: Convert to fraction form
    25,669.18/35,420.90 = 14,336.88/x
  3. Step 3: Cross multiply
    25,669.18x = 35,420.90 × 14,336.88
  4. Step 4: Simplify right side
    25,669.18x = 507,825,192.79
  5. Step 5: Solve for x
    x = 507,825,192.79/25,669.18
  6. Step 6: Final answer
    x = 19,783.46

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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.