Home / 28,434.95-42,658.50-10,904.63

Finding the Fourth Proportional to 28,434.95, 42,658.50 and 10,904.63

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Solution

The fourth proportional to 28,434.95, 42,658.50 and 10,904.63 is: 16,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,434.95 : 42,658.50 = 10,904.63 : x
  2. Step 2: Convert to fraction form
    28,434.95/42,658.50 = 10,904.63/x
  3. Step 3: Cross multiply
    28,434.95x = 42,658.50 × 10,904.63
  4. Step 4: Simplify right side
    28,434.95x = 465,174,925.12
  5. Step 5: Solve for x
    x = 465,174,925.12/28,434.95
  6. Step 6: Final answer
    x = 16,359.27

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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.