Home / 25,664.08-35,406.64-15,588.72

Finding the Fourth Proportional to 25,664.08, 35,406.64 and 15,588.72

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Solution

The fourth proportional to 25,664.08, 35,406.64 and 15,588.72 is: 21,506.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,664.08 : 35,406.64 = 15,588.72 : x
  2. Step 2: Convert to fraction form
    25,664.08/35,406.64 = 15,588.72/x
  3. Step 3: Cross multiply
    25,664.08x = 35,406.64 × 15,588.72
  4. Step 4: Simplify right side
    25,664.08x = 551,944,197.10
  5. Step 5: Solve for x
    x = 551,944,197.10/25,664.08
  6. Step 6: Final answer
    x = 21,506.49

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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.