Home / 17,656.55-26,458.29-15,989.57

Finding the Fourth Proportional to 17,656.55, 26,458.29 and 15,989.57

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Solution

The fourth proportional to 17,656.55, 26,458.29 and 15,989.57 is: 23,960.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,656.55 : 26,458.29 = 15,989.57 : x
  2. Step 2: Convert to fraction form
    17,656.55/26,458.29 = 15,989.57/x
  3. Step 3: Cross multiply
    17,656.55x = 26,458.29 × 15,989.57
  4. Step 4: Simplify right side
    17,656.55x = 423,056,547.74
  5. Step 5: Solve for x
    x = 423,056,547.74/17,656.55
  6. Step 6: Final answer
    x = 23,960.32

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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.