Home / 28,064.60-42,113.10-10,536.20

Finding the Fourth Proportional to 28,064.60, 42,113.10 and 10,536.20

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Solution

The fourth proportional to 28,064.60, 42,113.10 and 10,536.20 is: 15,810.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.60 : 42,113.10 = 10,536.20 : x
  2. Step 2: Convert to fraction form
    28,064.60/42,113.10 = 10,536.20/x
  3. Step 3: Cross multiply
    28,064.60x = 42,113.10 × 10,536.20
  4. Step 4: Simplify right side
    28,064.60x = 443,712,044.22
  5. Step 5: Solve for x
    x = 443,712,044.22/28,064.60
  6. Step 6: Final answer
    x = 15,810.38

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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.