Home / 27,221.64-40,840.02-15,543.06

Finding the Fourth Proportional to 27,221.64, 40,840.02 and 15,543.06

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Solution

The fourth proportional to 27,221.64, 40,840.02 and 15,543.06 is: 23,318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,221.64 : 40,840.02 = 15,543.06 : x
  2. Step 2: Convert to fraction form
    27,221.64/40,840.02 = 15,543.06/x
  3. Step 3: Cross multiply
    27,221.64x = 40,840.02 × 15,543.06
  4. Step 4: Simplify right side
    27,221.64x = 634,778,881.26
  5. Step 5: Solve for x
    x = 634,778,881.26/27,221.64
  6. Step 6: Final answer
    x = 23,318.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.