Home / 28,275.29-39,023.02-16,176.90

Finding the Fourth Proportional to 28,275.29, 39,023.02 and 16,176.90

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Solution

The fourth proportional to 28,275.29, 39,023.02 and 16,176.90 is: 22,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,275.29 : 39,023.02 = 16,176.90 : x
  2. Step 2: Convert to fraction form
    28,275.29/39,023.02 = 16,176.90/x
  3. Step 3: Cross multiply
    28,275.29x = 39,023.02 × 16,176.90
  4. Step 4: Simplify right side
    28,275.29x = 631,271,297.12
  5. Step 5: Solve for x
    x = 631,271,297.12/28,275.29
  6. Step 6: Final answer
    x = 22,325.90

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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.