Home / 21,283.77-31,925.63-5,700.97

Finding the Fourth Proportional to 21,283.77, 31,925.63 and 5,700.97

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Solution

The fourth proportional to 21,283.77, 31,925.63 and 5,700.97 is: 8,551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,283.77 : 31,925.63 = 5,700.97 : x
  2. Step 2: Convert to fraction form
    21,283.77/31,925.63 = 5,700.97/x
  3. Step 3: Cross multiply
    21,283.77x = 31,925.63 × 5,700.97
  4. Step 4: Simplify right side
    21,283.77x = 182,007,058.86
  5. Step 5: Solve for x
    x = 182,007,058.86/21,283.77
  6. Step 6: Final answer
    x = 8,551.45

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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.