Home / 27,143.39-37,454.85-15,810.51

Finding the Fourth Proportional to 27,143.39, 37,454.85 and 15,810.51

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Solution

The fourth proportional to 27,143.39, 37,454.85 and 15,810.51 is: 21,816.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,143.39 : 37,454.85 = 15,810.51 : x
  2. Step 2: Convert to fraction form
    27,143.39/37,454.85 = 15,810.51/x
  3. Step 3: Cross multiply
    27,143.39x = 37,454.85 × 15,810.51
  4. Step 4: Simplify right side
    27,143.39x = 592,180,221.18
  5. Step 5: Solve for x
    x = 592,180,221.18/27,143.39
  6. Step 6: Final answer
    x = 21,816.74

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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.