Home / 25,608.32-35,348.76-15,001.28

Finding the Fourth Proportional to 25,608.32, 35,348.76 and 15,001.28

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Solution

The fourth proportional to 25,608.32, 35,348.76 and 15,001.28 is: 20,707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,608.32 : 35,348.76 = 15,001.28 : x
  2. Step 2: Convert to fraction form
    25,608.32/35,348.76 = 15,001.28/x
  3. Step 3: Cross multiply
    25,608.32x = 35,348.76 × 15,001.28
  4. Step 4: Simplify right side
    25,608.32x = 530,276,646.41
  5. Step 5: Solve for x
    x = 530,276,646.41/25,608.32
  6. Step 6: Final answer
    x = 20,707.20

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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.