Home / 25,740.02-38,610.42-10,157.50

Finding the Fourth Proportional to 25,740.02, 38,610.42 and 10,157.50

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Solution

The fourth proportional to 25,740.02, 38,610.42 and 10,157.50 is: 15,236.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,740.02 : 38,610.42 = 10,157.50 : x
  2. Step 2: Convert to fraction form
    25,740.02/38,610.42 = 10,157.50/x
  3. Step 3: Cross multiply
    25,740.02x = 38,610.42 × 10,157.50
  4. Step 4: Simplify right side
    25,740.02x = 392,185,341.15
  5. Step 5: Solve for x
    x = 392,185,341.15/25,740.02
  6. Step 6: Final answer
    x = 15,236.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.