Home / 28,353.06-42,535.74-8,631.10

Finding the Fourth Proportional to 28,353.06, 42,535.74 and 8,631.10

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Solution

The fourth proportional to 28,353.06, 42,535.74 and 8,631.10 is: 12,948.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,353.06 : 42,535.74 = 8,631.10 : x
  2. Step 2: Convert to fraction form
    28,353.06/42,535.74 = 8,631.10/x
  3. Step 3: Cross multiply
    28,353.06x = 42,535.74 × 8,631.10
  4. Step 4: Simplify right side
    28,353.06x = 367,130,225.51
  5. Step 5: Solve for x
    x = 367,130,225.51/28,353.06
  6. Step 6: Final answer
    x = 12,948.52

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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.