Home / 25,700.16-35,477.75-15,090.45

Finding the Fourth Proportional to 25,700.16, 35,477.75 and 15,090.45

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Solution

The fourth proportional to 25,700.16, 35,477.75 and 15,090.45 is: 20,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,700.16 : 35,477.75 = 15,090.45 : x
  2. Step 2: Convert to fraction form
    25,700.16/35,477.75 = 15,090.45/x
  3. Step 3: Cross multiply
    25,700.16x = 35,477.75 × 15,090.45
  4. Step 4: Simplify right side
    25,700.16x = 535,375,212.49
  5. Step 5: Solve for x
    x = 535,375,212.49/25,700.16
  6. Step 6: Final answer
    x = 20,831.59

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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.