Home / 27,581.02-38,061.55-15,005.77

Finding the Fourth Proportional to 27,581.02, 38,061.55 and 15,005.77

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Solution

The fourth proportional to 27,581.02, 38,061.55 and 15,005.77 is: 20,707.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,581.02 : 38,061.55 = 15,005.77 : x
  2. Step 2: Convert to fraction form
    27,581.02/38,061.55 = 15,005.77/x
  3. Step 3: Cross multiply
    27,581.02x = 38,061.55 × 15,005.77
  4. Step 4: Simplify right side
    27,581.02x = 571,142,865.14
  5. Step 5: Solve for x
    x = 571,142,865.14/27,581.02
  6. Step 6: Final answer
    x = 20,707.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.