Home / 28,006.66-38,649.35-15,260.00

Finding the Fourth Proportional to 28,006.66, 38,649.35 and 15,260.00

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Solution

The fourth proportional to 28,006.66, 38,649.35 and 15,260.00 is: 21,058.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006.66 : 38,649.35 = 15,260.00 : x
  2. Step 2: Convert to fraction form
    28,006.66/38,649.35 = 15,260.00/x
  3. Step 3: Cross multiply
    28,006.66x = 38,649.35 × 15,260.00
  4. Step 4: Simplify right side
    28,006.66x = 589,788,925.90
  5. Step 5: Solve for x
    x = 589,788,925.90/28,006.66
  6. Step 6: Final answer
    x = 21,058.88

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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.