Home / 28,347.24-42,501.64-15,875.84

Finding the Fourth Proportional to 28,347.24, 42,501.64 and 15,875.84

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Solution

The fourth proportional to 28,347.24, 42,501.64 and 15,875.84 is: 23,803.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,347.24 : 42,501.64 = 15,875.84 : x
  2. Step 2: Convert to fraction form
    28,347.24/42,501.64 = 15,875.84/x
  3. Step 3: Cross multiply
    28,347.24x = 42,501.64 × 15,875.84
  4. Step 4: Simplify right side
    28,347.24x = 674,749,236.38
  5. Step 5: Solve for x
    x = 674,749,236.38/28,347.24
  6. Step 6: Final answer
    x = 23,803.00

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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.