Home / 27,899.64-38,503.35-15,966.72

Finding the Fourth Proportional to 27,899.64, 38,503.35 and 15,966.72

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Solution

The fourth proportional to 27,899.64, 38,503.35 and 15,966.72 is: 22,035.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,899.64 : 38,503.35 = 15,966.72 : x
  2. Step 2: Convert to fraction form
    27,899.64/38,503.35 = 15,966.72/x
  3. Step 3: Cross multiply
    27,899.64x = 38,503.35 × 15,966.72
  4. Step 4: Simplify right side
    27,899.64x = 614,772,208.51
  5. Step 5: Solve for x
    x = 614,772,208.51/27,899.64
  6. Step 6: Final answer
    x = 22,035.13

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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.