Home / 26,397.99-39,565.40-18,457.16

Finding the Fourth Proportional to 26,397.99, 39,565.40 and 18,457.16

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Solution

The fourth proportional to 26,397.99, 39,565.40 and 18,457.16 is: 27,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,397.99 : 39,565.40 = 18,457.16 : x
  2. Step 2: Convert to fraction form
    26,397.99/39,565.40 = 18,457.16/x
  3. Step 3: Cross multiply
    26,397.99x = 39,565.40 × 18,457.16
  4. Step 4: Simplify right side
    26,397.99x = 730,264,628.15
  5. Step 5: Solve for x
    x = 730,264,628.15/26,397.99
  6. Step 6: Final answer
    x = 27,663.65

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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.