Home / 21,977.04-32,925.86-18,488.76

Finding the Fourth Proportional to 21,977.04, 32,925.86 and 18,488.76

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Solution

The fourth proportional to 21,977.04, 32,925.86 and 18,488.76 is: 27,699.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,977.04 : 32,925.86 = 18,488.76 : x
  2. Step 2: Convert to fraction form
    21,977.04/32,925.86 = 18,488.76/x
  3. Step 3: Cross multiply
    21,977.04x = 32,925.86 × 18,488.76
  4. Step 4: Simplify right side
    21,977.04x = 608,758,323.33
  5. Step 5: Solve for x
    x = 608,758,323.33/21,977.04
  6. Step 6: Final answer
    x = 27,699.74

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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.