Home / 28,275.55-42,417.88-8,552.45

Finding the Fourth Proportional to 28,275.55, 42,417.88 and 8,552.45

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Solution

The fourth proportional to 28,275.55, 42,417.88 and 8,552.45 is: 12,830.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,275.55 : 42,417.88 = 8,552.45 : x
  2. Step 2: Convert to fraction form
    28,275.55/42,417.88 = 8,552.45/x
  3. Step 3: Cross multiply
    28,275.55x = 42,417.88 × 8,552.45
  4. Step 4: Simplify right side
    28,275.55x = 362,776,882.47
  5. Step 5: Solve for x
    x = 362,776,882.47/28,275.55
  6. Step 6: Final answer
    x = 12,830.06

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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.