Home / 27,574.93-38,054.26-15,638.77

Finding the Fourth Proportional to 27,574.93, 38,054.26 and 15,638.77

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Solution

The fourth proportional to 27,574.93, 38,054.26 and 15,638.77 is: 21,581.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,574.93 : 38,054.26 = 15,638.77 : x
  2. Step 2: Convert to fraction form
    27,574.93/38,054.26 = 15,638.77/x
  3. Step 3: Cross multiply
    27,574.93x = 38,054.26 × 15,638.77
  4. Step 4: Simplify right side
    27,574.93x = 595,121,798.81
  5. Step 5: Solve for x
    x = 595,121,798.81/27,574.93
  6. Step 6: Final answer
    x = 21,581.99

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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.