Home / 19,325.93-26,723.47-15,340.12

Finding the Fourth Proportional to 19,325.93, 26,723.47 and 15,340.12

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Solution

The fourth proportional to 19,325.93, 26,723.47 and 15,340.12 is: 21,211.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,325.93 : 26,723.47 = 15,340.12 : x
  2. Step 2: Convert to fraction form
    19,325.93/26,723.47 = 15,340.12/x
  3. Step 3: Cross multiply
    19,325.93x = 26,723.47 × 15,340.12
  4. Step 4: Simplify right side
    19,325.93x = 409,941,265.07
  5. Step 5: Solve for x
    x = 409,941,265.07/19,325.93
  6. Step 6: Final answer
    x = 21,211.98

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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.