Home / 27,587.13-38,070.27-15,485.93

Finding the Fourth Proportional to 27,587.13, 38,070.27 and 15,485.93

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Solution

The fourth proportional to 27,587.13, 38,070.27 and 15,485.93 is: 21,370.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,587.13 : 38,070.27 = 15,485.93 : x
  2. Step 2: Convert to fraction form
    27,587.13/38,070.27 = 15,485.93/x
  3. Step 3: Cross multiply
    27,587.13x = 38,070.27 × 15,485.93
  4. Step 4: Simplify right side
    27,587.13x = 589,553,702.86
  5. Step 5: Solve for x
    x = 589,553,702.86/27,587.13
  6. Step 6: Final answer
    x = 21,370.61

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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.