Home / 28,572.77-39,417.30-18,504.52

Finding the Fourth Proportional to 28,572.77, 39,417.30 and 18,504.52

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Solution

The fourth proportional to 28,572.77, 39,417.30 and 18,504.52 is: 25,527.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,572.77 : 39,417.30 = 18,504.52 : x
  2. Step 2: Convert to fraction form
    28,572.77/39,417.30 = 18,504.52/x
  3. Step 3: Cross multiply
    28,572.77x = 39,417.30 × 18,504.52
  4. Step 4: Simplify right side
    28,572.77x = 729,398,216.20
  5. Step 5: Solve for x
    x = 729,398,216.20/28,572.77
  6. Step 6: Final answer
    x = 25,527.74

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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.