Home / 27,539.64-38,005.52-15,602.99

Finding the Fourth Proportional to 27,539.64, 38,005.52 and 15,602.99

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Solution

The fourth proportional to 27,539.64, 38,005.52 and 15,602.99 is: 21,532.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,539.64 : 38,005.52 = 15,602.99 : x
  2. Step 2: Convert to fraction form
    27,539.64/38,005.52 = 15,602.99/x
  3. Step 3: Cross multiply
    27,539.64x = 38,005.52 × 15,602.99
  4. Step 4: Simplify right side
    27,539.64x = 592,999,480.46
  5. Step 5: Solve for x
    x = 592,999,480.46/27,539.64
  6. Step 6: Final answer
    x = 21,532.58

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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.