Home / 40,128.93-55,387.14-26,700.75

Finding the Fourth Proportional to 40,128.93, 55,387.14 and 26,700.75

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Solution

The fourth proportional to 40,128.93, 55,387.14 and 26,700.75 is: 36,853.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,128.93 : 55,387.14 = 26,700.75 : x
  2. Step 2: Convert to fraction form
    40,128.93/55,387.14 = 26,700.75/x
  3. Step 3: Cross multiply
    40,128.93x = 55,387.14 × 26,700.75
  4. Step 4: Simplify right side
    40,128.93x = 1,478,878,178.36
  5. Step 5: Solve for x
    x = 1,478,878,178.36/40,128.93
  6. Step 6: Final answer
    x = 36,853.17

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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.