Home / 28,799.04-39,731.76-17,461.20

Finding the Fourth Proportional to 28,799.04, 39,731.76 and 17,461.20

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Solution

The fourth proportional to 28,799.04, 39,731.76 and 17,461.20 is: 24,089.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799.04 : 39,731.76 = 17,461.20 : x
  2. Step 2: Convert to fraction form
    28,799.04/39,731.76 = 17,461.20/x
  3. Step 3: Cross multiply
    28,799.04x = 39,731.76 × 17,461.20
  4. Step 4: Simplify right side
    28,799.04x = 693,764,207.71
  5. Step 5: Solve for x
    x = 693,764,207.71/28,799.04
  6. Step 6: Final answer
    x = 24,089.84

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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.