Home / 28,423.53-39,228.23-16,484.40

Finding the Fourth Proportional to 28,423.53, 39,228.23 and 16,484.40

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Solution

The fourth proportional to 28,423.53, 39,228.23 and 16,484.40 is: 22,750.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,423.53 : 39,228.23 = 16,484.40 : x
  2. Step 2: Convert to fraction form
    28,423.53/39,228.23 = 16,484.40/x
  3. Step 3: Cross multiply
    28,423.53x = 39,228.23 × 16,484.40
  4. Step 4: Simplify right side
    28,423.53x = 646,653,875.82
  5. Step 5: Solve for x
    x = 646,653,875.82/28,423.53
  6. Step 6: Final answer
    x = 22,750.65

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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.