Home / 28,595.41-42,898.85-9,876.13

Finding the Fourth Proportional to 28,595.41, 42,898.85 and 9,876.13

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Solution

The fourth proportional to 28,595.41, 42,898.85 and 9,876.13 is: 14,816.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,595.41 : 42,898.85 = 9,876.13 : x
  2. Step 2: Convert to fraction form
    28,595.41/42,898.85 = 9,876.13/x
  3. Step 3: Cross multiply
    28,595.41x = 42,898.85 × 9,876.13
  4. Step 4: Simplify right side
    28,595.41x = 423,674,741.16
  5. Step 5: Solve for x
    x = 423,674,741.16/28,595.41
  6. Step 6: Final answer
    x = 14,816.18

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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.