Home / 25,705.92-35,478.19-15,637.52

Finding the Fourth Proportional to 25,705.92, 35,478.19 and 15,637.52

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Solution

The fourth proportional to 25,705.92, 35,478.19 and 15,637.52 is: 21,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,705.92 : 35,478.19 = 15,637.52 : x
  2. Step 2: Convert to fraction form
    25,705.92/35,478.19 = 15,637.52/x
  3. Step 3: Cross multiply
    25,705.92x = 35,478.19 × 15,637.52
  4. Step 4: Simplify right side
    25,705.92x = 554,790,925.97
  5. Step 5: Solve for x
    x = 554,790,925.97/25,705.92
  6. Step 6: Final answer
    x = 21,582.22

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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.