Home / 25,416.11-35,070.14-15,977.99

Finding the Fourth Proportional to 25,416.11, 35,070.14 and 15,977.99

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Solution

The fourth proportional to 25,416.11, 35,070.14 and 15,977.99 is: 22,047.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,416.11 : 35,070.14 = 15,977.99 : x
  2. Step 2: Convert to fraction form
    25,416.11/35,070.14 = 15,977.99/x
  3. Step 3: Cross multiply
    25,416.11x = 35,070.14 × 15,977.99
  4. Step 4: Simplify right side
    25,416.11x = 560,350,090.98
  5. Step 5: Solve for x
    x = 560,350,090.98/25,416.11
  6. Step 6: Final answer
    x = 22,047.05

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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.