Home / 28,646.77-42,964.59-14,411.45

Finding the Fourth Proportional to 28,646.77, 42,964.59 and 14,411.45

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Solution

The fourth proportional to 28,646.77, 42,964.59 and 14,411.45 is: 21,614.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,646.77 : 42,964.59 = 14,411.45 : x
  2. Step 2: Convert to fraction form
    28,646.77/42,964.59 = 14,411.45/x
  3. Step 3: Cross multiply
    28,646.77x = 42,964.59 × 14,411.45
  4. Step 4: Simplify right side
    28,646.77x = 619,182,040.56
  5. Step 5: Solve for x
    x = 619,182,040.56/28,646.77
  6. Step 6: Final answer
    x = 21,614.38

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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.