Home / 38,529.29-57,810.63-13,587.16

Finding the Fourth Proportional to 38,529.29, 57,810.63 and 13,587.16

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Solution

The fourth proportional to 38,529.29, 57,810.63 and 13,587.16 is: 20,386.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,529.29 : 57,810.63 = 13,587.16 : x
  2. Step 2: Convert to fraction form
    38,529.29/57,810.63 = 13,587.16/x
  3. Step 3: Cross multiply
    38,529.29x = 57,810.63 × 13,587.16
  4. Step 4: Simplify right side
    38,529.29x = 785,482,279.51
  5. Step 5: Solve for x
    x = 785,482,279.51/38,529.29
  6. Step 6: Final answer
    x = 20,386.63

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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.