Home / 53,187.28-73,397.43-28,988.44

Finding the Fourth Proportional to 53,187.28, 73,397.43 and 28,988.44

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Solution

The fourth proportional to 53,187.28, 73,397.43 and 28,988.44 is: 40,003.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,187.28 : 73,397.43 = 28,988.44 : x
  2. Step 2: Convert to fraction form
    53,187.28/73,397.43 = 28,988.44/x
  3. Step 3: Cross multiply
    53,187.28x = 73,397.43 × 28,988.44
  4. Step 4: Simplify right side
    53,187.28x = 2,127,676,995.71
  5. Step 5: Solve for x
    x = 2,127,676,995.71/53,187.28
  6. Step 6: Final answer
    x = 40,003.49

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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.