Home / 28,417.07-42,637.91-15,254.07

Finding the Fourth Proportional to 28,417.07, 42,637.91 and 15,254.07

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Solution

The fourth proportional to 28,417.07, 42,637.91 and 15,254.07 is: 22,887.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,417.07 : 42,637.91 = 15,254.07 : x
  2. Step 2: Convert to fraction form
    28,417.07/42,637.91 = 15,254.07/x
  3. Step 3: Cross multiply
    28,417.07x = 42,637.91 × 15,254.07
  4. Step 4: Simplify right side
    28,417.07x = 650,401,587.52
  5. Step 5: Solve for x
    x = 650,401,587.52/28,417.07
  6. Step 6: Final answer
    x = 22,887.71

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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.