Home / 39,416.16-59,147.76-15,719.52

Finding the Fourth Proportional to 39,416.16, 59,147.76 and 15,719.52

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Solution

The fourth proportional to 39,416.16, 59,147.76 and 15,719.52 is: 23,588.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,416.16 : 59,147.76 = 15,719.52 : x
  2. Step 2: Convert to fraction form
    39,416.16/59,147.76 = 15,719.52/x
  3. Step 3: Cross multiply
    39,416.16x = 59,147.76 × 15,719.52
  4. Step 4: Simplify right side
    39,416.16x = 929,774,396.28
  5. Step 5: Solve for x
    x = 929,774,396.28/39,416.16
  6. Step 6: Final answer
    x = 23,588.66

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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.