Home / 28,886.40-39,881.76-23,593.92

Finding the Fourth Proportional to 28,886.40, 39,881.76 and 23,593.92

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Solution

The fourth proportional to 28,886.40, 39,881.76 and 23,593.92 is: 32,574.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886.40 : 39,881.76 = 23,593.92 : x
  2. Step 2: Convert to fraction form
    28,886.40/39,881.76 = 23,593.92/x
  3. Step 3: Cross multiply
    28,886.40x = 39,881.76 × 23,593.92
  4. Step 4: Simplify right side
    28,886.40x = 940,967,054.90
  5. Step 5: Solve for x
    x = 940,967,054.90/28,886.40
  6. Step 6: Final answer
    x = 32,574.74

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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.