Home / 27,309.15-37,686.90-15,370.19

Finding the Fourth Proportional to 27,309.15, 37,686.90 and 15,370.19

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Solution

The fourth proportional to 27,309.15, 37,686.90 and 15,370.19 is: 21,211.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,309.15 : 37,686.90 = 15,370.19 : x
  2. Step 2: Convert to fraction form
    27,309.15/37,686.90 = 15,370.19/x
  3. Step 3: Cross multiply
    27,309.15x = 37,686.90 × 15,370.19
  4. Step 4: Simplify right side
    27,309.15x = 579,254,625.08
  5. Step 5: Solve for x
    x = 579,254,625.08/27,309.15
  6. Step 6: Final answer
    x = 21,211.01

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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.